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Books > Science & Mathematics > Physics > Applied physics & special topics

Physics of Asymmetric Continuum: Extreme and Fracture Processes - Earthquake Rotation and Soliton Waves (Hardcover, 2008 ed.):... Physics of Asymmetric Continuum: Extreme and Fracture Processes - Earthquake Rotation and Soliton Waves (Hardcover, 2008 ed.)
Roman Teisseyre, Hiroyuki Nagahama, Eugeniusz Majewski
R4,042 Discovery Miles 40 420 Ships in 18 - 22 working days

Our new monograph has been inspired by the former one, Earthquake Source Asymmetry, Structural Media, and Rotation Effects (R. Teisseyre, M. Takeo, and E. Majewski, eds, Springer 2006). Some problems, c- cerned primarily but not exclusively with the basic theoretical nature, have appeared to us as worthy of further analysis. Thus, in the present mo- graph we intend to develop new theoretical approaches to the theory of continua that go far beyond the traditional seismological applications. We also try to present the links between the experimental data, the observed rotational seismic waves, and their theoretical evaluation and description. In addition, we consider the basic point motions and deformations, and we intend to find the invariant forms to describe such point motions. We believe that there must exist the basic equations for all point motions and deformations, and we derive such relations within a frame of a continuum theory. Thus, in the considered standard asymmetric theory, we include relations not only for the displacement velocities but also for a spin motion and basic point deformations as well. We include here the axial point - formation and twist point deformation represented by the string-string and string-membrane motions. A twist vector is defined here as a vector p- pendicular to the string-string plane and representing its magnitude. It - comes an important counterpart to spin and a key to the presented theory. We show in the forthcoming chapters that the twist motion describes the oscillations of shear axes.

Nanodust in the Solar System: Discoveries and Interpretations (Hardcover, 2012 ed.): Ingrid Mann, Nicole Meyer-Vernet, Andrzej... Nanodust in the Solar System: Discoveries and Interpretations (Hardcover, 2012 ed.)
Ingrid Mann, Nicole Meyer-Vernet, Andrzej Czechowski
R2,665 Discovery Miles 26 650 Ships in 18 - 22 working days

Nanodust and nanometer-sized structures are important components of many objects in space. Nanodust is observed in evolved stars, young stellar objects, protoplanetary disks, and dust debris disks. Within the solar system, nanodust is observed with in-situ experiments from spacecraft. Nanometer-sized substructures are found in the collected cometary and interplanetary dust particles and in meteorites. Understanding the growth and destruction of dust, its internal evolution, as well as the optical properties and the detection of nanoparticles is of fundamental importance for astrophysical research. This book provides a focused description of the current state of research and experimental results concerning nanodust in the solar system. It addresses three major questions: What is nanodust? How was it discovered in the solar system? And how do we interpret the observations? The book serves as a self-contained reference work for space researchers and provides solid information on nanodust in cosmic environments for researchers working in astrophysics or in other fields of physics.

Modeling Density-Driven Flow in Porous Media - Principles, Numerics, Software (Hardcover, 1998 ed.): Ekkehard O. Holzbecher Modeling Density-Driven Flow in Porous Media - Principles, Numerics, Software (Hardcover, 1998 ed.)
Ekkehard O. Holzbecher
R4,040 Discovery Miles 40 400 Ships in 18 - 22 working days

Modeling of flow and transport in groundwater has become an important focus of scientific research in recent years. Most contributions to this subject deal with flow situations, where density and viscosity changes in the fluid are neglected. This restriction may not always be justified. The models presented in the book demonstrate immpressingly that the flow pattern may be completely different when density changes are taken into account. The main applications of the models are: thermal and saline convection, geothermal flow, saltwater intrusion, flow through salt formations etc. This book not only presents basic theory, but the reader can also test his knowledge by applying the included software and can set up own models.

Gravity, Geoid and Geodynamics 2000 - GGG2000 IAG International Symposium Banff, Alberta, Canada July 31 - August 4, 2000... Gravity, Geoid and Geodynamics 2000 - GGG2000 IAG International Symposium Banff, Alberta, Canada July 31 - August 4, 2000 (Hardcover, 2002 ed.)
Michael G. Sideris
R5,465 Discovery Miles 54 650 Ships in 18 - 22 working days

The IAG International Symposium on Gravity, Geoid and Geodynamics 2000 (GGG2000) took place in Banff, Alberta, Canada, from July 31 to August 4, 2000. This symposium continued the tradition of mid-term meetings ("GraGeoMar96: Gravity, Geoid and Marine Geodesy," Tokyo, Japan, Sept. 30 - Oct. 5,1996) held between the joint symposia of the International Geoid and Gravity Commissions ("1st Joint Meeting of the International Gravity Commission and the International Geoid Commission," Graz, Austria, Sept. 11-17, 1994 and "2nd Joint Meeting of the International Gravity Commission and the International Geoid Commission," Trieste, Italy, Sept. 7-12, 1998). This time, geodynamics was chosen as the third topic to accompany the of gravity and geoid. The symposium thus aimed and succeeded at bringing traditional topics together geodesists and geophysicists working in the general areas of gravity, geoid and geodynamics. Besides covering the traditional research areas, special attention was paid to the use of geodetic methods for geodynamics studies, dedicated satellite missions, airborne surveys, arctic regions geodesy and geodynamics, new mathematical methods and the integration of geodetic and geophysical information. The Scientific Committee members (Jean Dickey, Martine Feissel, Rene Forsberg, Petr Holota, Inginio Marson, Masao Nakada, Richard W. Peltier, Reiner Rummel, Burkhard Schaffrin, Klaus Peter Schwarz, Michael G. Sideris, DetlefWolf and Patrick Wu) are sincerely thanked for selecting the session topics, which resulted in such an exciting scientific event. More specifically, the following ten sessions were organized: 1. Reference Frames and the Datum Problem C.

Introduction to Nanomaterials in Medicine (Hardcover): Mohammad Rabiee, Navid Rabiee, Reza Salarian, Ghazal Rabiee Introduction to Nanomaterials in Medicine (Hardcover)
Mohammad Rabiee, Navid Rabiee, Reza Salarian, Ghazal Rabiee
R1,740 Discovery Miles 17 400 Ships in 18 - 22 working days

Advancement in the field of nanotechnology has revolutionized the field of medicines and pharmaceuticals in the twentieth century. The proper use of nanomaterials in medical applications requires a proper understanding of these compounds. This correct understanding, beyond the physical and chemical properties, must also have the correct logic of use. In other words, the strategic use of nanomaterials with applicable perspective can also help to advance research, but if we go forward with the current research perspective that leads to the expansion of inapplicable researches, the intrinsic importance of using these nanomaterials is eliminated. This book, considering the importance of nanomaterials and their application in medicine, as well as the significant growth of biomaterials in research fields, introduces the variables law (Rabiee's theory) for the implementation of this research and the establishment of a proper strategy. Considering that the degree of number of biomaterial and host variables follow a variety factors, and by increasing the degree of number of biomaterials and host variables, the degree of total variables also increases and as a result, performance and, consequently, biomaterial behavior in the host environment will have less control and predictive capabilities. For an external substance that is supposed to be in the human body, it must be predictable and controllable, In addition, according to the principle that the host in a fixed person does not have the ability to change, therefore, by using the simpler biomaterials (with less variables), the above goal is more accessible. It should be noted that in addition to observing biocompatibility tests for a biomaterial based on existing protocols and standards, the Applicable Compatibility (AC) parameter is also required in accordance with Rabiee's theory. This book is written in accordance with Rabiee's theory and the contents of this book should be evaluated from this perspective.

Einstein's Field Equations and Their Physical Implications - Selected Essays in Honour of Jurgen Ehlers (Hardcover, 2000... Einstein's Field Equations and Their Physical Implications - Selected Essays in Honour of Jurgen Ehlers (Hardcover, 2000 ed.)
Bernd G. Schmidt
R2,893 Discovery Miles 28 930 Ships in 18 - 22 working days

This book serves two purposes. The authors present important aspects of modern research on the mathematical structure of Einstein's field equations and they show how to extract their physical content from them by mathematically exact methods. The essays are devoted to exact solutions and to the Cauchy problem of the field equations as well as to post-Newtonian approximations that have direct physical implications. Further topics concern quantum gravity and optics in gravitational fields.
The book addresses researchers in relativity and differential geometry but can also be used as additional reading material for graduate students.

The Electromagnetic Spectrum of Neutron Stars (Hardcover, 2005 ed.): Altan Baykal, Sinan K. Yerli, Sitki C. Inam, Sergei... The Electromagnetic Spectrum of Neutron Stars (Hardcover, 2005 ed.)
Altan Baykal, Sinan K. Yerli, Sitki C. Inam, Sergei Grebenev
R7,850 Discovery Miles 78 500 Ships in 18 - 22 working days

Neutron stars hold a central place in astrophysics, not only because they are made up of the most extreme states of the condensed matter, but also because they are, along with white dwarfs and black holes, one of the stable configurations that stars reach at the end of stellar evolution. Neutron stars posses the highest rotation rates and strongest magnetic fields among all stars. They radiate prolifically, in high energy electromagnetic radiation and in the radio band.

This book is devoted to the selected lectures presented in the 6th NATO-ASI series entitled "The Electromagnetic Spectrum of Neutron Stars" in Marmaris, Turkey, on 7-18 June 2004. This ASI is devoted to the spectral properties of neutron stars. Spectral observations of neutron stars help us to understand the magnetospheric emission processes of isolated radio pulsars and the emission processes of accreting neutron stars. This volume includes spectral information from the neutron stars in broadest sense, namely neutrino and gravitational radiation along with the electromagnetic spectrum. We believe that this volume can serve as graduate level of text including the broad range of properties of neutron stars.

New Eyes to See Inside the Sun and Stars - Pushing the Limits of Helio- and Asteroseismology with new Observations from the... New Eyes to See Inside the Sun and Stars - Pushing the Limits of Helio- and Asteroseismology with new Observations from the Ground and from Space Proceedings of the 185th Symposium of the International Astronomical Union, held in Kyoto, Japan, August 18-22, 1997 (Hardcover, 1998 ed.)
Franz Ludwig Deubner, Jorgen Christensen-Dalsgaard, Don Kurtz
R5,414 Discovery Miles 54 140 Ships in 18 - 22 working days

The continuing success of helio- and asteroseismology in studying the internal structure and dynamics of the Sun, and of other single stars, has been highlighted in recent years by many topical meetings. The present Proceedings document the first Seismology symposium ever held in conjunction with an IAU General Assembly. This substantially influenced the layout of the scientific programme and demonstrates the vitality of this field of astronomy. The invited reviews are intended to address an audience that includes many non-specialists. Therefore, this volume is particularly valuable as an introduction to the general concepts of the field, and for conveying the excitement that comes with discussions of the most recent observational and theoretical results. There are two chapters on the many facets of asteroseismology, which also compare solar and stellar achievements. A major focus of the symposium was the new developments resulting from the observations of unprecedented quality obtained from global multi-site networks, and especially from the Solar and Heliospheric Observatory SoHO, currently continuing its observations from the Lagrangian point L1. From the center of the Sun to its outer layers, the reader will learn how modern diagnostic techniques reveal the inextricable links between the complex structure of the interior and atmosphere of our nearest star. The book is recommended for undergraduates, postgraduates, and professionals with a strong interest in modern developments in astrophysics.

Quantitative EPR (Hardcover, 2010 Ed.): Gareth R. Eaton, Sandra S. Eaton, David P. Barr, Ralph T Weber Quantitative EPR (Hardcover, 2010 Ed.)
Gareth R. Eaton, Sandra S. Eaton, David P. Barr, Ralph T Weber
R3,340 Discovery Miles 33 400 Ships in 10 - 15 working days

There is a growing need in both industrial and academic research to obtain accurate quantitative results from continuous wave (CW) electron paramagnetic resonance (EPR) experiments. This book describes various sample-related, instrument-related and software-related aspects of obtaining quantitative results from EPR expe- ments. Some speci?c items to be discussed include: selection of a reference standard, resonator considerations (Q, B, B ), power saturation, sample position- 1 m ing, and ?nally, the blending of all the factors together to provide a calculation model for obtaining an accurate spin concentration of a sample. This book might, at ?rst glance, appear to be a step back from some of the more advanced pulsed methods discussed in recent EPR texts, but actually quantitative "routine CW EPR" is a challenging technique, and requires a thorough understa- ing of the spectrometer and the spin system. Quantitation of CW EPR can be subdivided into two main categories: (1) intensity and (2) magnetic ?eld/mic- wave frequency measurement. Intensity is important for spin counting. Both re- tive intensity quantitation of EPR samples and their absolute spin concentration of samples are often of interest. This information is important for kinetics, mechanism elucidation, and commercial applications where EPR serves as a detection system for free radicals produced in an industrial process. It is also important for the study of magnetic properties. Magnetic ?eld/microwave frequency is important for g and nuclear hyper?ne coupling measurements that re?ect the electronic structure of the radicals or metal ions.

Gerard and Antoinette De Vaucouleurs, v. 4 - A Life for Astronomy (Hardcover, illustrated edition): M. Capaccioli, H. Corwin Gerard and Antoinette De Vaucouleurs, v. 4 - A Life for Astronomy (Hardcover, illustrated edition)
M. Capaccioli, H. Corwin
R3,829 Discovery Miles 38 290 Ships in 18 - 22 working days
High Energy Astrophysical Techniques (Hardcover, 1st ed. 2017): Rosa Poggiani High Energy Astrophysical Techniques (Hardcover, 1st ed. 2017)
Rosa Poggiani
R2,466 Discovery Miles 24 660 Ships in 10 - 15 working days

This textbook presents ultraviolet and X-ray astronomy, gamma-ray astronomy, cosmic ray astronomy, neutrino astronomy, and gravitational wave astronomy as distinct research areas, focusing on the astrophysics targets and the requirements with respect to instrumentation and observation methods. The purpose of the book is to bridge the gap between the reference books and the specialized literature. For each type of astronomy, the discussion proceeds from the orders of magnitude for observable quantities. The physical principles of photon and particle detectors are then addressed, and the specific telescopes and combinations of detectors, presented. Finally the instruments and their limits are discussed with a view to assisting readers in the planning and execution of observations. Astronomical observations with high-energy photons and particles represent the newest additions to multimessenger astronomy and this book will be of value to all with an interest in the field.

Future Forests - Mitigation and Adaptation to Climate Change (Paperback): Steven Mcnulty Future Forests - Mitigation and Adaptation to Climate Change (Paperback)
Steven Mcnulty
R3,137 Discovery Miles 31 370 Ships in 10 - 15 working days

Future Forests: Adaptation to Climate Change provides background on forests as natural and social systems, the current distribution and dynamics based on major biomes that set the stage for their role of forests in global systems, the nature of climate change organized by biomes, and detailed descriptions of mitigation and adaptation strategies. This book forms presents a foundational summary of the feedback between the effect of climate change on forests and the converse effects of forests on climate, leading to conclusions on how forest management needs to be dictated by climate change. The book will be ideal for readers in the fields of climate change science, forest science and conservation biology, helping them develop a thorough understanding on the broad perspective of climate change on forests, the response of forests to these changes, and other climate-forest interaction potentials.

Micromanipulation by Light in Biology and Medicine - The Laser Microbeam and Optical Tweezers (Hardcover, 1999 ed.): Karl Otto... Micromanipulation by Light in Biology and Medicine - The Laser Microbeam and Optical Tweezers (Hardcover, 1999 ed.)
Karl Otto Greulich
R5,309 Discovery Miles 53 090 Ships in 18 - 22 working days

There are probably few people who do not dream of the good old times, when do ing science often meant fascination, excitement, even adventure. In our time, do ing science involves often technology and, perhaps, even business. But there are still niches where curiosity and fascination have their place. The subject of this book, technological as its title may sound, is one of the fortunate examples. It will report on lasers generating the coldest places in the Universe, and on table top laser microtools which can produce a heat "inferno" as it prevails in the interior of the Sun, or simulate, for specific plant cells, microgravity of the space around our plan et Earth. There will be some real surprises for the reader. The applications range from basic studies of the driving forces of cell division (and thus life) via genetic modification of cells (for example, for plant breeding) to medical applications such as blood cell analysis and finally in vitro fertilization. What are these instruments: laser microbeams and optical tweezers? Both are lasers coupled with a fluorescence microscope. The laser microbeam uses a pulsed ultraviolet laser. Light is focused, as well as possible, in space and time, in order to obtain extremely high light intensities - high enough to generate, for a very short instant, extremely hot spots which can be used to cut, fuse or perforate biological material."

Diffraction-Limited Imaging with Very Large Telescopes (Hardcover, 1989 ed.): D.M. Alloin, Jean-Marie Mariotti Diffraction-Limited Imaging with Very Large Telescopes (Hardcover, 1989 ed.)
D.M. Alloin, Jean-Marie Mariotti
R4,255 Discovery Miles 42 550 Ships in 18 - 22 working days

A few years ago, a real break-through happened in observational astronomy: the un derstanding of the effect of atmospheric turbulence on the structure of stellar images, and of ways to overcome this dramatic degradation. This opened a route to diffraction-limited observations with large telescopes in the optical domain. Soon, the first applications of this new technique led to some outstanding astrophysical results, both at visible and infrared wavelengths. Yet, the potential of interferometric observations is not fully foreseeable as the first long-baseline arrays of large optical telescopes are being built or cOIIllnissioned right now. In this respect a comparison with the evolution of radio-astronomy is tempting. From a situation where, in spite of the construction of giant antennas, low angular resolution was prevailing, the introduction of long baseline and very long baseline interferometry and the rapid mastering of sophisticated image reconstruction techniques, have brought on a nearly routine basis high dynamic range images with milliarcseconds resolution. This, of course, has completely changed our views of the radio sky."

Mining the Sky - Proceedings of the MPA/ESO/MPE Workshop Held at Garching, Germany, July 31 - August 4, 2000 (Hardcover, 2001... Mining the Sky - Proceedings of the MPA/ESO/MPE Workshop Held at Garching, Germany, July 31 - August 4, 2000 (Hardcover, 2001 ed.)
A.J. Banday, S. Zaroubi, M. Bartelmann
R4,402 Discovery Miles 44 020 Ships in 18 - 22 working days

The book reviews methods for the numerical and statistical analysis of astronomical datasets with particular emphasis on the very large databases that arise from both existing and forthcoming projects, as well as current large-scale computer simulation studies. Leading experts give overviews of cutting-edge methods applicable in the area of astronomical data mining. Case studies demonstrate the interplay between these techniques and interesting astronomical problems. The book demonstrates specific new methods for storing, accessing, reducing, analysing, describing and visualising astronomical data which are necessary to fully exploit its potential.

Matter in the Universe (Hardcover, Reprinted from Space Science Reviews journal, Vol. 100/1-4): Ph. Jetzer, K. Pretzl, Rudolf... Matter in the Universe (Hardcover, Reprinted from Space Science Reviews journal, Vol. 100/1-4)
Ph. Jetzer, K. Pretzl, Rudolf von Steiger
R4,075 Discovery Miles 40 750 Ships in 18 - 22 working days

The knowledge of the amount and nature of matter present in the Universe is undoubtedly one of the most relevant topics in astrophysics and cosmology. It started with the pioneering work of Zwicky in 1933, who found the need for a large amount of dark matter in the Coma cluster. An important step has been the recent finding through the observation of distant type Ia supernovae of the presence of a significant vacuum energy density causing an accelerating expansion of the Universe. Nevertheless, the nature of most of the matter in the Universe is still unknown. Its solution requires the interplay of several fields of astrophysics and cosmology as well as particle physics, all of which are covered in this volume: Cosmic Microwave Background radiation, large scale structures, galaxy clusters, intergalactic absorption, dark matter components of galaxies, globular clusters, supernovae of type Ia distance measurements, gravitational lensing, X-ray observations, Lyman-alpha observations, dark energy, direct detection of weakly interacting massive particles (WIMPS), detection of neutrino oscillations, particle candidates for dark matter, and Big Bang nucleosynthesis of baryonic matter.

Therefore, this volume presents a very useful synopsis of all constituents of matter in the Universe.

Symmetries And Nonlinear Phenomena - Proceedings Of The International School On Applied Mathematics (Hardcover): D. Levi, Pavel... Symmetries And Nonlinear Phenomena - Proceedings Of The International School On Applied Mathematics (Hardcover)
D. Levi, Pavel Winternitz
R4,067 Discovery Miles 40 670 Ships in 18 - 22 working days

Starting from Sophus Lie, the invariance of a differential equation under its continuous group of symmetries has become a major tool for solving ordinary and partial differential equations, in particular, nonlinear ones. The proceedings focus on the application of these techniques to nonlinear partial differential equations. The state of the art in this field is presented clearly in a series of comprehensive lectures. Several lectures on applications point out the physical importance of such methods.

Symmetries And Nonlinear Phenomena - Proceedings Of The International School On Applied Mathematics (Paperback): D. Levi, Pavel... Symmetries And Nonlinear Phenomena - Proceedings Of The International School On Applied Mathematics (Paperback)
D. Levi, Pavel Winternitz
R1,793 Discovery Miles 17 930 Ships in 10 - 15 working days

Starting from Sophus Lie, the invariance of a differential equation under its continuous group of symmetries has become a major tool for solving ordinary and partial differential equations, in particular, nonlinear ones. The proceedings focus on the application of these techniques to nonlinear partial differential equations. The state of the art in this field is presented clearly in a series of comprehensive lectures. Several lectures on applications point out the physical importance of such methods.

Physics With Illustrative Examples From Medicine and Biology - Electricity and Magnetism (Hardcover, 2nd ed. 2000): George B.... Physics With Illustrative Examples From Medicine and Biology - Electricity and Magnetism (Hardcover, 2nd ed. 2000)
George B. Benedek; Foreword by I M London; Felix M.H. Villars
R3,418 Discovery Miles 34 180 Ships in 18 - 22 working days

A reissue of a classic book -- corrected, edited, typeset, redrawn, and indexed for the Biological Physics Series. In- tended for undergraduate courses in biophysics, biological physics, physiology, medical physics, and biomedical engineering, this is an introduction to statistical physics with examples and problems from the medical and biological sciences. Topics include the elements of the theory of probability, Poisson statistics, thermal equilibrium, entropy and free energy, and the second law of thermodynamics. It can be used as a supplement to standard introductory physics courses, and as a text for medical schools, medical physics courses, and biology departments. The three volumes combined present all the major topics in physics. These books are being reissued in response to frequent requests to satisfy the growing need among students and practitioners in the medical and biological sciences with a working knowledge of the physical sciences. The books are also in demand in physics departments either as supplements to traditional intro texts or as a main text for those departments offering courses with biological or medical physics orientation.

Membrane Transport Mechanism - 3D Structure and Beyond (Hardcover, 2014): Reinhard Kramer, Christine Ziegler Membrane Transport Mechanism - 3D Structure and Beyond (Hardcover, 2014)
Reinhard Kramer, Christine Ziegler
R4,948 R4,675 Discovery Miles 46 750 Save R273 (6%) Ships in 10 - 15 working days

This book provides a molecular view of membrane transport by means of numerous biochemical and biophysical techniques. The rapidly growing numbers of atomic structures of transporters in different conformations and the constant progress in bioinformatics have recently added deeper insights.The unifying mechanism of energized solute transport across membranes is assumed to consist of the conformational cycling of a carrier protein to provide access to substrate binding sites from either side of a cellular membrane. Due to the central role of active membrane transport there is considerable interest in deciphering the principles of one of the most fundamental processes in nature: the alternating access mechanism.This book brings together particularly significant structure-function studies on a variety of carrier systems from different transporter families: Glutamate symporters, LeuT-like fold transporters, MFS transporters and SMR (RND) exporters, as well as ABC-type importers.The selected examples impressively demonstrate how the combination of functional analysis, crystallography, investigation of dynamics and computational studies has made it possible to create a conclusive picture or more precisely, a molecular movie . Although we are still far from a complete molecular description of the alternating access mechanism, remarkable progress has been made from static snapshots towards membrane transport dynamics."

Singularity Theory and Gravitational Lensing (Hardcover, 2001 ed.): Arlie O. Petters, Harold Levine, Joachim Wambsganss Singularity Theory and Gravitational Lensing (Hardcover, 2001 ed.)
Arlie O. Petters, Harold Levine, Joachim Wambsganss
R5,309 Discovery Miles 53 090 Ships in 18 - 22 working days

This monograph, unique in the literature, is the first to develop a mathematical theory of gravitational lensing. The theory applies to any finite number of deflector planes and highlights the distinctions between single and multiple plane lensing. Introductory material in Parts I and II present historical highlights and the astrophysical aspects of the subject. Among the lensing topics discussed are multiple quasars, giant luminous arcs, Einstein rings, the detection of dark matter and planets with lensing, time delays and the age of the universe (Hubble's constant), microlensing of stars and quasars. The main part of the book---Part III---employs the ideas and results of singularity theory to put gravitational lensing on a rigorous mathematical foundation and solve certain key lensing problems. Results are published here for the first time. Mathematical topics discussed: Morse theory, Whitney singularity theory, Thom catastrophe theory, Mather stability theory, Arnold singularity theory, and the Euler characteristic via projectivized rotation numbers. These tools are applied to the study of stable lens systems, local and global geometry of caustics, caustic metamorphoses, multiple lensed images, lensed image magnification, magnification cross sections, and lensing by singular and nonsingular deflectors. Examples, illustrations, bibliography and index make this a suitable text for an undergraduate/graduate course, seminar, or independent thesis project on gravitational lensing. The book is also an excellent reference text for professional mathematicians, mathematical physicists, astrophysicists, and physicists.

Structure Of Liquid Crystal Phases (Paperback): Peter S. Pershan Structure Of Liquid Crystal Phases (Paperback)
Peter S. Pershan
R2,156 Discovery Miles 21 560 Ships in 10 - 15 working days

Current understanding of different phases as well as the phase transitions between them has only been achieved following recent theoretical advances on the effects of dimensionality in statistical physics. P S Pershan explains the connection between these two separate areas and gives some examples of problems where the understanding is still not complete. The most important example is the second order phase transition between the nematic and smectic-A phase. Others include the relation between the several hexatic phases that have been observed and the first order restacking transitions between phases that were all previously identified as smectic-B, but which should more properly be identified as crystalline-B. Some relatively recent experimental developments on the discotic phase, liquid crystal surfaces and lyotropic phases are also included. The book includes 41 major reprints of some of the recent seminal work on the structure of liquid crystals. They are introduced by a brief review of the symmetries and other properties of liquid crystalline phases. In addition, there is a discussion of the differences between true liquid crystalline phases and others that were described as liquid crystalline in the early literature, but which have since been shown to be true three-dimensional crystals. The progression from the isotropic fluid, through the nematic, smectic, and various crystalline phases can be understood in terms of a systematic decrease in symmetry, together with an accompanying variation in structure is explained. A guide to the selected reprints and a sort of "Rosetta Stone" for these various phases is provided. The goal of this book is to explain the systematics of this progression to students and others that are new to this field, as well as to provide a useful handbook for people already working in the field.

Deep Crustal Structure of the Son-Narmada-Tapti Lineament, Central India (Hardcover, 2012 ed.): G. Dhanunjaya Naidu Deep Crustal Structure of the Son-Narmada-Tapti Lineament, Central India (Hardcover, 2012 ed.)
G. Dhanunjaya Naidu
R1,411 Discovery Miles 14 110 Ships in 18 - 22 working days

With a length of about 1200 km, the Son-Narmada-Tapti Lineament (NSL) is one of the most prominent geomorphic features in the Indian subcontinent. Anomalous conductive bodies are delineated at mid-lower crustal depths below major earthquake epicentral zones. The region has been interpreted as the collision zone of the Indian Plate with the Eurasian Plate. The NSL zone is therefore also known to be the second most important tectonic feature in the Indian geology, after the Himalayas.
The present thesis describes significant new insight into the seismotectonics of this Central India tectonic zone, based on thorough magnetotelluric studies. The main objectives of the present study are: (i) to delineate subtrappean sediments across the NSL region along four different traverses, (ii) to understand the characterization of geo-electrical structure of the crust and examine the nature of geo-electrical signatures of the known faults, (iii) to integrate the results with other geophysical data such as seismicity, gravity and heat flow, in order to understand the tectonic scenario of the region.
Deep electromagnetic (magnetotelluric) analyses were integrated in this study with gravity, seismic and heat flow studies and distinct, delineated deep crustal features. The resulting high conductivity is justified with the presence of fluids at mid-lower crustal depths. The migration of these fluids from mantle to mid-lower crustal depths through pre-existing brittle fracture/fault zones were obviously caused by the plume related to the Deccan volcanism. Migration of the fluids generated a higher fluid pressure along the faults and resulted in earthquakes.
Based on the geo-electric sections derived along the four traverses of the Narmada-Son Lineament Zone, the present study gives important clues on the subduction/collision history in this important tectonic zone.

Laser Physics And Laser Instabilities (Paperback): Neal B. Abraham, Lorenzo M. Narducci Laser Physics And Laser Instabilities (Paperback)
Neal B. Abraham, Lorenzo M. Narducci
R1,411 Discovery Miles 14 110 Ships in 18 - 22 working days

This book is an edited version of lectures given by the authors at the 1985 Jilin University Summer School on Laser Physics. The School was held at Jilin University in Changchun, Peoples' Republic of China.

Cosmic Ray Astrophysics (Hardcover, 1st ed. 2002. Corr. 2nd printing 2002): Reinhard Schlickeiser Cosmic Ray Astrophysics (Hardcover, 1st ed. 2002. Corr. 2nd printing 2002)
Reinhard Schlickeiser
R3,216 Discovery Miles 32 160 Ships in 18 - 22 working days

This book provides an exhaustive account of the origin and dynamics of cosmic rays. Divided into three parts, it first gives an up-to-date summary of the observational data, then -- in the following theory section -- deals with the kinetic description of cosmic ray plasma. The underlying diffusion-convection transport equation, which governs the coupling between cosmic rays and the background plasma, is derived and analyzed in detail. In the third part, several applications of the solutions of the transport equation are presented and how key observations in cosmic ray physics can be accounted for is demonstrated. The applications include cosmic ray modulation, acceleration near shock waves and the galactic propagation of cosmic rays. While the book is primarily of interest to scientists working at the forefront of research, the very careful derivations and explanations make it suitable also as an introduction to the field of cosmic rays for graduate students.

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