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

Search for Sterile Neutrinos with the MINOS Long-Baseline Experiment (Hardcover, 1st ed. 2017): Ashley Michael Timmons Search for Sterile Neutrinos with the MINOS Long-Baseline Experiment (Hardcover, 1st ed. 2017)
Ashley Michael Timmons
R3,277 Discovery Miles 32 770 Ships in 10 - 15 working days

This thesis highlights data from MINOS, a long-baseline accelerator neutrino experiment, and details one of the most sensitive searches for the sterile neutrino ever made. Further, it presents a new analysis paradigm to enable this measurement and a comprehensive study of the myriad systematic uncertainties involved in a search for a few-percent effect, while also rigorously investigating the statistical interpretation of the findings in the context of a sterile neutrino model. Among the scientific community, this analysis was quickly recognized as a foundational measurement in light of which all previous evidence for the sterile neutrino must now be (re)interpreted. The existence of sterile neutrinos has long been one of the key questions in the field. Not only are they a central component in many theories of new physics, but a number of past experiments have yielded results consistent with their existence. Nonetheless, they remain controversial: the interpretation of the data showing evidence for these sterile neutrinos is hotly debated.

Gravitational Wave Astrophysics - Proceedings of the Third Session of the Sant Cugat Forum on Astrophysics (Hardcover, 2015... Gravitational Wave Astrophysics - Proceedings of the Third Session of the Sant Cugat Forum on Astrophysics (Hardcover, 2015 ed.)
Carlos F. Sopuerta
R5,863 R4,731 Discovery Miles 47 310 Save R1,132 (19%) Ships in 10 - 15 working days

This book offers review chapters written by invited speakers of the 3rd Session of the Sant Cugat Forum on Astrophysics - Gravitational Waves Astrophysics. All chapters have been peer reviewed. The book goes beyond normal conference proceedings in that it provides a wide panorama of the astrophysics of gravitational waves and serves as a reference work for researchers in the field.

Rheological and Seismic Properties of Solid-Melt Systems - A Mechanical Spectroscopy Study (Hardcover, 2014 ed.): Su-Ying Chien Rheological and Seismic Properties of Solid-Melt Systems - A Mechanical Spectroscopy Study (Hardcover, 2014 ed.)
Su-Ying Chien
R3,803 R3,273 Discovery Miles 32 730 Save R530 (14%) Ships in 10 - 15 working days

Our understanding of the rheological and seismic properties of the Earth's interior relies on interpreting geophysical observations using mineral physics data. The complexity of natural materials complicates these interpretations, but here the key features of such materials in controlling the attenuation of seismic waves are determined by a set of careful experiments. This thesis clearly explains how dynamic mechanical spectroscopy has been used to determine the visco-elastic properties of igneous and sedimentary rocks containing geological fluids. These experiments highlight, for the first time, the importance of mineral and rock microstructures as controls on geophysical properties of solids, particularly near the melting point. The results have impacts in areas ranging from volcanic processes, through the structure of the deep Earth, to fluid-saturated porous media.

Classical Pendulum Feels Quantum Back-Action (Hardcover, 1st ed. 2016): Nobuyuki Matsumoto Classical Pendulum Feels Quantum Back-Action (Hardcover, 1st ed. 2016)
Nobuyuki Matsumoto
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

In this thesis, ultimate sensitive measurement for weak force imposed on a suspended mirror is performed with the help of a laser and an optical cavity for the development of gravitational-wave detectors. According to the Heisenberg uncertainty principle, such measurements are subject to a fundamental noise called quantum noise, which arises from the quantum nature of a probe (light) and a measured object (mirror). One of the sources of quantum noise is the quantum back-action, which arises from the vacuum fluctuation of the light. It sways the mirror via the momentum transferred to the mirror upon its reflection for the measurement. The author discusses a fundamental trade-off between sensitivity and stability in the macroscopic system, and suggests using a triangular cavity that can avoid this trade-off. The development of an optical triangular cavity is described and its characterization of the optomechanical effect in the triangular cavity is demonstrated. As a result, for the first time in the world the quantum back-action imposed on the 5-mg suspended mirror is significantly evaluated. This work contributes to overcoming the standard quantum limit in the future.

Energetic Materials, Volume 69 (Hardcover): John R. Sabin Energetic Materials, Volume 69 (Hardcover)
John R. Sabin
R5,266 Discovery Miles 52 660 Ships in 10 - 15 working days

Advances in Quantum Chemistry presents surveys of current topics in this rapidly developing field that has emerged at the cross section of the historically established areas of mathematics, physics, chemistry, and biology. It features detailed reviews written by leading international researchers. This volume focuses on thetheory of heavy ion physics in medicine.

This volume presents a series of articles concerning current important topics in quantum chemistry. The invited articles are written by the best people in the field."

Saturation of the f-mode Instability in Neutron Stars (Hardcover, 1st ed. 2018): Pantelis Pnigouras Saturation of the f-mode Instability in Neutron Stars (Hardcover, 1st ed. 2018)
Pantelis Pnigouras
R2,668 Discovery Miles 26 680 Ships in 18 - 22 working days

This book presents a study of the saturation of unstable f-modes (fundamental modes) due to low-order nonlinear mode coupling. Since their theoretical prediction in 1934, neutron stars have remained among the most challenging objects in the Universe. Gravitational waves emitted by unstable neutron star oscillations can be used to obtain information about their inner structure, that is, the equation of state of dense nuclear matter. After its initial growth phase, the instability is expected to saturate due to nonlinear effects. The saturation amplitude of the unstable mode determines the detectability of the generated gravitational-wave signal, but also affects the evolution of the neutron star. The study shows that the unstable (parent) mode resonantly couples to pairs of stable (daughter) modes, which drain the parent's energy and make it saturate via a mechanism called parametric resonance instability. Further, it calculates the saturation amplitude of the most unstable f-mode multipoles throughout their so-called instability windows.

Computational Techniques for Modeling Atmospheric Processes (Hardcover): Vitaliy Prusov, Anatoliy Doroshenko Computational Techniques for Modeling Atmospheric Processes (Hardcover)
Vitaliy Prusov, Anatoliy Doroshenko
R5,063 Discovery Miles 50 630 Ships in 18 - 22 working days

Meteorology has made significant strides in recent years due to the development of new technologies. With the aid of the latest instruments, the analysis of atmospheric data can be optimized. Computational Techniques for Modeling Atmospheric Processes is an academic reference source that encompasses novel methods for the collection and study of meteorological data. Including a range of perspectives on pertinent topics such as air pollution, parameterization, and thermodynamics, this book is an ideal publication for researchers, academics, practitioners, and students interested in instrumental methods in the study of atmospheric processes.

Outskirts of Galaxies (Hardcover, 1st ed. 2017): Johan H. Knapen, Janice C. Lee, Armando Gil De Paz Outskirts of Galaxies (Hardcover, 1st ed. 2017)
Johan H. Knapen, Janice C. Lee, Armando Gil De Paz
R4,316 Discovery Miles 43 160 Ships in 18 - 22 working days

This book consists of invited reviews written by world-renowned experts on the subject of the outskirts of galaxies, an upcoming field which has been understudied so far. These regions are faint and hard to observe, yet hide a tremendous amount of information on the origin and early evolution of galaxies. They thus allow astronomers to address some of the most topical problems, such as gaseous and satellite accretion, radial migration, and merging. The book is published in conjunction with the celebration of the end of the four-year DAGAL project, an EU-funded initial training network, and with a major international conference on the topic held in March 2016 in Toledo. It thus reflects not only the views of the experts, but also the scientific discussions and progress achieved during the project and the meeting. The reviews in the book describe the most modern observations of the outer regions of our own Galaxy, and of galaxies in the local and high-redshift Universe. They tackle disks, haloes, streams, and accretion as observed through deep imaging and spectroscopy, and guide the reader through the various formation and evolution scenarios for galaxies. The reviews focus on the major open questions in the field, and explore how they can be tackled in the future. This book provides a unique entry point into the field for graduate students and non-specialists, and serves as a reference work for researchers in this exciting new field.

Origins of Life - A Cosmic Perspective (Hardcover): Douglas Whittet Origins of Life - A Cosmic Perspective (Hardcover)
Douglas Whittet
R2,844 Discovery Miles 28 440 Ships in 18 - 22 working days

Origins of Life: A Cosmic Perspective presents an overview of the concepts, methods, and theories of astrobiology and origins of life research while presenting a summary of the latest findings. The book provides insight into the environments and processes that gave birth to life on our planet, which naturally informs our assessment of the probability that has arisen (or will arise) elsewhere. In addition, the book encourages readers to go beyond basic concepts, to explore topics in greater depth, and to engage in lively discussions. The text is intended to be suitable for mid- and upper-level undergraduates and beginning graduate students and more generally as an introduction and overview for researchers and general readers seeking to follow current developments in this interdisciplinary field. Readers are assumed to have a basic grounding in the relevant sciences, but prior specialized knowledge is not required. Each chapter concludes with a list of questions and discussion topics as well as suggestions for further reading. Some questions can be answered with reference to material in the text, but others require further reading and some have no known answers. The intention is to encourage readers to go beyond basic concepts, to explore topics in greater depth, and, in a classroom setting, to engage in lively discussions with class members.

Topical Drug Bioavailability, Bioequivalence, and Penetration (Hardcover, 2nd ed. 2014): Vinod P. Shah, Howard I. Maibach, John... Topical Drug Bioavailability, Bioequivalence, and Penetration (Hardcover, 2nd ed. 2014)
Vinod P. Shah, Howard I. Maibach, John Jenner
R4,104 Discovery Miles 41 040 Ships in 18 - 22 working days

This authoritative volume explores advances in the techniques used to measure percutaneous penetration of drugs and chemicals to assess bioavailability and bioequivalence and discusses how they have been used in clinical and scientific investigations. Seven comprehensive sections examine topics including in vitro drug release, topical drugs products, clinical studies, and guidelines and workshop reports, among others. The book also describes how targeted transdermal drug delivery and more sophisticated mathematical modelling can aid in understanding the bioavailability of transdermal drugs. The first edition of this book was an important reference guide for researchers working to define the effectiveness and safety of drugs and chemicals that penetrated the skin. This second edition contains cutting-edge advances in the field and is a key resource to those seeking to define the bioavailability and bioequivalence of percutaneously active compounds to improve scientific and clinical investigation and regulation.

The Solar Activity Cycle - Physical Causes and Consequences (Hardcover, 2015 ed.): Andre Balogh, Hugh Hudson, Kristof Petrovay,... The Solar Activity Cycle - Physical Causes and Consequences (Hardcover, 2015 ed.)
Andre Balogh, Hugh Hudson, Kristof Petrovay, Rudolf Steiger
R4,173 Discovery Miles 41 730 Ships in 18 - 22 working days

A collection of papers edited by four experts in the field, this book sets out to describe the way solar activity is manifested in observations of the solar interior, the photosphere, the chromosphere, the corona and the heliosphere. The 11-year solar activity cycle, more generally known as the sunspot cycle, is a fundamental property of the Sun. This phenomenon is the generation and evolution of magnetic fields in the Sun's convection zone, the photosphere. It is only by the careful enumeration and description of the phenomena and their variations that one can clarify their interdependences. The sunspot cycle has been tracked back about four centuries, and it has been recognized that to make this data set a really useful tool in understanding how the activity cycle works and how it can be predicted, a very careful and detailed effort is needed to generate sunspot numbers. This book deals with this topic, together with several others that present related phenomena that all indicate the physical processes that take place in the Sun and its exterior environment. The reviews in the book also present the latest theoretical and modelling studies that attempt to explain the activity cycle. It remains true, as has been shown in the unexpected characteristics of the first two solar cycles in the 21st century, that predictability remains a serious challenge. Nevertheless, the highly expert and detailed reviews in this book, using the very best solar observations from both ground- and space based telescopes, provide the best possible report on what is known and what is yet to be discovered. Originally published in Space Science Reviews, Vol 186, Issues 1-4, 2014.

The Everyday Physics of Hearing and Vision (Hardcover): Benjamin De Mayo The Everyday Physics of Hearing and Vision (Hardcover)
Benjamin De Mayo
R2,836 Discovery Miles 28 360 Ships in 18 - 22 working days

Humans receive the vast majority of sensory perception through the eyes and ears. This non-technical book examines the everyday physics behind hearing and vision to help readers understand more about themselves and their physical environment. It begins wit

Master-E - Travel into Mystical Dragon Dimensions (Hardcover): A.E. Beck Master-E - Travel into Mystical Dragon Dimensions (Hardcover)
A.E. Beck
R623 Discovery Miles 6 230 Ships in 10 - 15 working days
Comprehensive Seismic Zonation Schemes for Regions at Different Scales (Hardcover, 1st ed. 2018): T. G. Sitharam, Naveen James,... Comprehensive Seismic Zonation Schemes for Regions at Different Scales (Hardcover, 1st ed. 2018)
T. G. Sitharam, Naveen James, Sreevalsa Kolathayar
R2,658 Discovery Miles 26 580 Ships in 18 - 22 working days

This book reviews and assesses the various methodologies for site characterization and site effect estimation to carry out seismic zonation at micro and macro levels. Readers will learn about the suitability of these methodologies for each level of zoning that needs to be assessed in order to optimize the resources for carrying out seismic zonation. The Indian sub-continent is highly vulnerable to earthquake hazards, and past studies have focused primarily on the Himalayan region (inter-plate zone) and the northeast region (subduction zone). The book improves understanding of the Peninsular India that also has significantly high seismicity and is prone to earthquakes of sizeable magnitude. Particular attention is given to the various methodologies for assessing seismic hazards, the scales at which site characterizations are carried out, and optimal methods for zonation practices using site data and hazard indexes. Aimed at students, this book will be of use to post-graduates and doctoral students researching seismic zonation, hazard assessment and mitigation, and spatial data in earth sciences.

My Scientific Letter to NASA, SpaceX and Blue Origin (Paperback): Balungi Francis My Scientific Letter to NASA, SpaceX and Blue Origin (Paperback)
Balungi Francis
R564 Discovery Miles 5 640 Ships in 18 - 22 working days
Scattering of Particles and Radiation in Astrophysical Environments (Hardcover, 1st ed. 2016): Nicholas R. Lewkow Scattering of Particles and Radiation in Astrophysical Environments (Hardcover, 1st ed. 2016)
Nicholas R. Lewkow
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

This thesis considers the non-equilibrium and energy transfer processes involved in the evolution of astrophysical gases and plasmas. Momentum-energy transfer in collisions of atoms, molecules and ions governs the evolution of interacting astrophysical gas and plasmas. These collisions require an accurate quantum mechanical description and the work presented here develops a unified kinetic and quantum-mechanical model for this consideration. The multi-scale computational approach implemented here takes into account non-thermal distributions of atomic particles and clarifies their role in the evolution of interstellar gas and planetary atmospheres. As shown, the physical parameters of non-thermal distributions strongly depend on the differential cross sections of atomic, molecular and ion collisions. Readers will find a detailed description of the energy relaxation of energetic atoms, produced in the interstellar gas by the solar and stellar wind plasmas. Computation of the non-thermal diffuse background of energetic helium atoms in the heliosphere is also included for evaluation of the contributions from local and cosmic sources and analysis of related satellite observations. Work involving modeling of energetic particle precipitation into planetary atmospheres and formation of the planetary and exoplanetary escape fluxes has been performed with very accurate cross sections, describing momentum-energy transfer processes with high precision. Results of the Monte Carlo simulations, carried out for the Mars atmosphere at different solar conditions, can be used for analysis of observational data for Mars atmospheric escape and investigation into the history of Martian water.

Advanced Interferometers and the Search for Gravitational Waves - Lectures from the First VESF School on Advanced Detectors for... Advanced Interferometers and the Search for Gravitational Waves - Lectures from the First VESF School on Advanced Detectors for Gravitational Waves (Hardcover, 2014)
Massimo Bassan
R3,810 R3,509 Discovery Miles 35 090 Save R301 (8%) Ships in 10 - 15 working days

The search for gravitational radiation with optical interferometers is gaining momentum worldwide. Beside the VIRGO and GEO gravitational wave observatories in Europe and the two LIGOs in the United States, which have operated successfully during the past decade, further observatories are being completed (KAGRA in Japan) or planned (ILIGO in India). The sensitivity of the current observatories, although spectacular, has not allowed direct discovery of gravitational waves. The advanced detectors (Advanced LIGO and Advanced Virgo) at present in the development phase will improve sensitivity by a factor of 10, probing the universe up to 200 Mpc for signal from inspiraling binary compact stars. This book covers all experimental aspects of the search for gravitational radiation with optical interferometers. Every facet of the technological development underlying the evolution of advanced interferometers is thoroughly described, from configuration to optics and coatings and from thermal compensation to suspensions and controls. All key ingredients of an advanced detector are covered, including the solutions implemented in first-generation detectors, their limitations, and how to overcome them. Each issue is addressed with special reference to the solution adopted for Advanced VIRGO but constant attention is also paid to other strategies, in particular those chosen for Advanced LIGO.

Sciences of Geodesy - II - Innovations and Future Developments (Hardcover, 2013 ed.): Guochang Xu Sciences of Geodesy - II - Innovations and Future Developments (Hardcover, 2013 ed.)
Guochang Xu
R4,070 Discovery Miles 40 700 Ships in 18 - 22 working days

This series of reference books describes the sciences of different fields in and around geodesy. Each chapter, is written by experts in the respective fields and covers an individual field and describes the history, theory, the objective, the technology, and the development, the highlight of the research, the applications, the problems, as well as future directions. Contents of Volume II include: Geodetic LEO Satellite Missions, Satellite Altimetry, Airborne Lidar, GNSS Software Receiver, Geodetic Boundary Problem, GPS and INS, VLBI, Geodetic Reference Systems, Spectral Analysis, Earth Tide and Ocean Loading Tide, Remote Sensing, Photogrammetry, Occultation, Geopotential Determination, Geoid Determination, Local Gravity Field, Geopotential Determination, Magnet Field, Mobile Mapping, General Relativity, Wide-area Precise Positioning etc.

Transport Phenomena in Porous Media II (Hardcover, 1st ed): I. Pop, Derek B. Ingham Transport Phenomena in Porous Media II (Hardcover, 1st ed)
I. Pop, Derek B. Ingham
R5,416 Discovery Miles 54 160 Ships in 10 - 15 working days

Transport phenomena in porous media continues to be a field which attracts intensive research activity. This is primarily due to the fact that it plays an important and practical role in a large variety of diverse scientific applications. "Transport Phenomena in Porous Media II" covers a wide range of the engineering and technological applications, including both stable and unstable flows, heat and mass transfer, porosity, and turbulence.


"Transport Phenomena in Porous Media II" is the second volume in a series emphasising the fundamentals and applications of research in porous media. It contains 16 interrelated chapters of controversial, and in some cases conflicting, research, over a wide range of topics. The first volume of this series, published in 1998, met with a very favourable reception. "Transport Phenomena in Porous Media II" maintains the original concept including a wide and diverse range of topics, whilst providing an up-to-date summary of recent research in the field by its leading practitioners.

Interpreting Aerial Photographs to Identify Natural Hazards (Paperback): Karl Glass Interpreting Aerial Photographs to Identify Natural Hazards (Paperback)
Karl Glass
R963 Discovery Miles 9 630 Ships in 10 - 15 working days

Authored by a world-renowned aerial photography and remote sensing expert, "Geographic Aerial Photography: Identifying Earth-Surface Hazards Through Image Interpretation "is" "the most practical and authoritative reference available for any professional or student looking for a reference on how to recognize, analyze, interpret and avoid or successfully plan for dangerous contingencies.

Whether they are related to natural terrain, geology, vegetation, hydrology or land use patterns it s critical for you to be able to recognize dangerous conditions when and where they exist. Failure to adequately recognize and characterize geomorphic, geologic, and hydrologic dangers on the ground using aerial photography is one of the major factors contributing to due to natural hazards and disasters, damage to architectural structures, and often the subsequent loss of human life as a result. Aerial photographs provide one of the most prevalent, inexpensive and under-utilized tools to those with the knowledge and expertise to interpret them.

Authored by one of the world s experts in aerial photography and remote sensing, with more than 35 years of experience in research and instruction. Features more than 100 color photographs to vividly explore the fundamental principles of aerial photography. Chapter tables underscore key concepts including channel size and shape characteristics, image scales, reverse fault values, and strike-slip fault systems."

Isotropic and Anisotropic Seismic Tomography Using Active Source and Earthquake Records (Hardcover, 1st ed. 2018): Yu-Pin Lin Isotropic and Anisotropic Seismic Tomography Using Active Source and Earthquake Records (Hardcover, 1st ed. 2018)
Yu-Pin Lin
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

This book presents investigations on the Earth's seismic structure using both active-source and natural earthquake records. It discusses the ground-truth data obtained from the TAiwan Integrated GEodynamics Research (TAIGER) active-source experiments that provides excellent and unique insights into the shallow crustal structures beneath Taiwan. It also explores the full-wave sensitivity kernels, which account for the effects of all possible wave interferences involved in shear-wave splitting and therefore loosen the restrictions on source-receiver geometry amenable to shear-wave splitting analysis. Moreover, it describes the 3D Frechet kernels, which enable us to resolve the vertical and lateral variations in seismic anisotropy and obtain 3D images of the Earth's anisotropic structure, as well as the practice in Southern California that enables us to infer the state of the stress and strain in the lithosphere and the dynamics of the asthenospheric mantle flow for a better understanding of the strength and deformation in the upper mantle beneath the San Andreas Fault system.

Living in Space - A Handbook for Work and Exploration Beyond the Earth's Atmosphere (Paperback): G.Harry Stine Living in Space - A Handbook for Work and Exploration Beyond the Earth's Atmosphere (Paperback)
G.Harry Stine
R394 Discovery Miles 3 940 Ships in 18 - 22 working days

We are the first species with the ability to leave planet Earth and expand the horizons of existence into the infinite realm of the universe. Humanity has been working, learning and building toward this accomplishment throughout history. Those who live and work in space will be no different from their predecessors who left ancient homelands to venture into the unknown wilderness. But to travel and work in space, one must not only know the physical characteristics of the space environment, but also something about the human beings involved. Living in Space explains: -Technology necessary for staying happy, healthy and alive in space. - Effects of acceleration on the human body - The long term affects of living in zero-g conditions - The most harmful forms of ionizing radiation for humans - Nutrition and Sanitation - Basic problems of working in space. The people who go into space to live and work are setting the foundation for humanity s future."

The Intrinsic Bispectrum of the Cosmic Microwave Background (Hardcover, 1st ed. 2016): Guido Walter Pettinari The Intrinsic Bispectrum of the Cosmic Microwave Background (Hardcover, 1st ed. 2016)
Guido Walter Pettinari
R4,190 R3,389 Discovery Miles 33 890 Save R801 (19%) Ships in 10 - 15 working days

Nominated as an outstanding thesis by Professor Robert Crittenden of the Institute of Cosmology and Gravitation in Portsmouth, and winner of the Michael Penston Prize for 2014 given by the Royal Astronomical Society for the best doctoral thesis in Astronomy or Astrophysics, this work aims to shed light on one of the most important probes of the early Universe: the bispectrum of the cosmic microwave background. The CMB bispectrum is a potential window on exciting new physics, as it is sensitive to the non-Gaussian features in the primordial fluctuations, the same fluctuations that evolved into today's planets, stars and galaxies. However, this invaluable information is potentially screened, as not all of the observed non-Gaussianity is of primordial origin. Indeed, a bispectrum arises even for perfectly Gaussian initial conditions due to non-linear dynamics, such as CMB photons scattering off free electrons and propagating in an inhomogeneous Universe. Dr. Pettinari introduces the reader to this intrinsic bispectrum in a pedagogic way, building up from the standard model of cosmology and from cosmological perturbation theory, the tool cosmologists use to unravel the history of the cosmos. In doing so, he introduces SONG, a new and efficient code for solving the second-order Einstein and Boltzmann equations. Next, he moves on to answer the crucial question: is the intrinsic bispectrum going to screen the primordial signal in the CMB? Using SONG, he computes the intrinsic bispectrum and shows how its contamination leads to a small bias in the estimates of primordial non-Gaussianity, a great news for the prospect of using CMB data to probe primordial non-Gaussianity.

Photophysics of Ionic Biochromophores (Hardcover, 2013 ed.): Steen Brondsted Nielsen, Jean Ann Wyer Photophysics of Ionic Biochromophores (Hardcover, 2013 ed.)
Steen Brondsted Nielsen, Jean Ann Wyer
R3,341 Discovery Miles 33 410 Ships in 10 - 15 working days

This book provides a concise overview of the photophysics and spectroscopy of bio chromophore ions. The book "Photophysics of Ionic Biochromophores" summarizes important recent advances in the spectroscopy of isolated biomolecular ions in vacuo, which has within the last decade become a highly active research field. Advanced instrumental apparatus and the steady increase in more and more powerful computers have made this development possible, both for experimentalists and theoreticians. Applied techniques described here include absorption and fluorescence spectroscopy, which are excellent indicators of environmental effects and can thus shed light on the intrinsic electronic structures of ions without perturbations from e.g. water molecules, counter ions, nearby charges, and polar amino acid residues. When compared with spectra of the chromophores in their natural environment, such spectra allow to identify possible perturbations. At the same time gas-phase spectra provide important benchmarks for quantum chemistry calculations of electronically excited states. This volume focuses on biological systems from protein biochromophores, e.g. the protonated Schiff-base retinal responsible for vision, and individual aromatic amino acids to peptides and whole proteins, studied using visible, ultraviolet and vacuum ultraviolet light. Work on DNA nucleotides and strands that are amenable to mass spectrometric studies because of the negatively charged sugarphosphate backbone are also presented. DNA strands represent an example of the interplay between multiple chromophores, which is even harder to model correctly than just single chromophores due to spatially extended excited states and weak coupling terms. The experimental techniques used to measure spectra and commonly used theoretical methods are described with a discussion on limitations and advantages. The volume includes an updated status of the field and interesting future directions such as cold ion spectroscopy.

Nonlinear, Tunable and Active Metamaterials (Hardcover, 2015 ed.): Ilya V. Shadrivov, Mikhail Lapine, Yuri S. Kivshar Nonlinear, Tunable and Active Metamaterials (Hardcover, 2015 ed.)
Ilya V. Shadrivov, Mikhail Lapine, Yuri S. Kivshar
R3,984 R3,453 Discovery Miles 34 530 Save R531 (13%) Ships in 10 - 15 working days

Metamaterials, artificial electromagnetic media achieved by structuring on the subwave-length-scale were initially suggested for the negative index and superlensing. They became a paradigm for engineering electromagnetic space and controlling propagation of waves. The research agenda is now shifting on achieving tuneable, switchable, nonlinear and sensing functionalities. The time has come to talk about the emerging research field of metadevices employing active and tunable metamaterials with unique functionalities achieved by structuring of functional matter on the subwave-length scale. This book presents the first systematic and comprehensive summary of the reviews written by the pioneers and top-class experts in the field of metamaterials. It addresses many grand challenges of the cutting edge research for creating smaller and more efficient photonic structures and devices.

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