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Books > Science & Mathematics > Physics
Multiferroics, materials with a coexistence of magnetic and
ferroelectric order, provide an efficient route for the control of
magnetism by electric fields. The authors cover multiferroic
thin-film heterostructures, device architectures and
domain/interface effects. They critically discuss achievements as
well as limitations and assess opportunities for future
applications.
Electrochemical Nano-biosensors: Applications in Diagnostics,
Therapeutics, Environment, and Food Management features a critical
overview of different, recently reported nanomaterial-based
electrochemical sensing and biosensing strategies. It is based on
various analytical approaches for the point-of-care or POC
healthcare related diagnostics, evaluation of contaminants,
additives and adulterants in foods and environment management. Each
section under the topic is discussed in its exhaustive detail,
incorporating significant literature reviews spanning over two
decades. The book critically analyzes issues and challenges for its
applications in real world settings, universal applicability in
resource limited sets-ups of remote areas, ease of integration with
other sensing platforms, portability/miniaturization, and more.
This book demonstrates some of the ways in which Microsoft Excel
(R) may be used to solve numerical problems in the field of
physics.
The first version of quantum theory, developed in the mid 1920's,
is what is called nonrelativistic quantum theory; it is based on a
form of relativity which, in a previous volume, was called Newton
relativity. But quickly after this first development, it was
realized that, in order to account for high energy phenomena such
as particle creation, it was necessary to develop a quantum theory
based on Einstein relativity. This in turn led to the development
of relativistic quantum field theory, which is an intrinsically
many-body theory. But this is not the only possibility for a
relativistic quantum theory. In this book we take the point of view
of a particle theory, based on the irreducible representations of
the Poincare group, the group that expresses the symmetry of
Einstein relativity. There are several ways of formulating such a
theory; we develop what is called relativistic point form quantum
mechanics, which, unlike quantum field theory, deals with a fixed
number of particles in a relativistically invariant way. A central
issue in any relativistic quantum theory is how to introduce
interactions without spoiling relativistic invariance. We show that
interactions can be incorporated in a mass operator, in such a way
that relativistic invariance is maintained. Surprisingly for a
relativistic theory, such a construction allows for instantaneous
interactions; in addition, dynamical particle exchange and particle
production can be included in a multichannel formulation of the
mass operator. For systems of more than two particles, however,
straightforward application of such a construction leads to the
undesirable property that clusters of widely separated particles
continue to interact with one another, even if the interactions
between the individual particles are of short range. A significant
part of this volume deals with the solution of this problem. Since
relativistic quantum mechanics is not as well-known as relativistic
quantum field theory, a chapter is devoted to applications of point
form quantum mechanics to nuclear physics; in particular we show
how constituent quark models can be used to derive electromagnetic
and other properties of hadrons.
Many physical properties of our universe, such as the relative
strength of the fundamental interactions, the value of the
cosmological constant, etc., appear to be fine-tuned for existence
of human life. One possible explanation of this fine tuning assumes
existence of a multiverse, which consists of a very large number of
individual universes having different physical properties.
Intelligent observers populate only a small subset of these
universes, which are fine-tuned for life. In this book we will
review several interesting metamaterial systems, which capture many
features of important cosmological models and offer insights into
the physics of many other non-trivial spacetime geometries, such as
microscopic black holes, closed time-like curves (CTCs) and the
Alcubierre warp drive.
Advanced fiber materials have been developed for various superior
applications because of their higher mechanical flexibility,
high-temperature resistance, and outstanding chemical stability.
This book presents an overview of the current development of
advanced fiber materials, fabrication methods, and applications.
Applications covered include pollution control, environment,
energy, information storage technology, optical and photonic,
photocatalysis, textile, drug delivery, tumor therapy, corrosion
protection applications, and a state of art of advanced fiber
materials.
Quantum mechanics is one of the most fascinating, and at the
same time most controversial, branches of contemporary science.
Disputes have accompanied this science since its birth and have not
ceased to this day.
"Uncommon Paths in Quantum Physics" allows the reader to
contemplate deeply some ideas and methods that are seldom met in
the contemporary literature. Instead of widespread recipes of
mathematical physics, based on the solutions of
integro-differential equations, the book follows logical and partly
intuitional derivations of non-commutative algebra. Readers can
directly penetrate the abstract world of quantum mechanics.
First book in the market that treats this newly developed area of
theoretical physics; the book will thus provide a fascinating
overview of the prospective applications of this area, strongly
founded on the theories and methods that it describes.Provides a
solid foundation for the application of quantum theory to current
physical problems arising in the interpretation of molecular
spectra and important effects in quantum field theory.New insight
into the physics of anharmonic vibrations, more feasible
calculations with improved precision.
Open microfluidics, the study of microflows having a boundary with
surrounding air, encompasses different aspects such as paper or
thread-based microfluidics, droplet microfluidics and open-channel
microfluidics. Open-channel microflow is a flow at the micro-scale,
guided by solid structures, and having at least a free boundary
(with air or vapor) other than the advancing meniscus. This book is
devoted to the study of open-channel microfluidics which (contrary
to paper or thread or droplet microfluidics) is still very sparsely
documented, but bears many new applications in biology,
biotechnology, medicine, material and space sciences. Capillarity
being the principal force triggering an open microflow, the
principles of capillarity are first recalled. The onset of
open-channel microflow is next analyzed and the fundamental notion
of generalized Cassie angle (the apparent contact angle which
accounts for the presence of air) is presented. The theory of the
dynamics of open-channel microflows is then developed, using the
notion of averaged friction length which accounts for the presence
of air along the boundaries of the flow domain. Different channel
morphologies are studied and geometrical features such as valves
and capillary pumps are examined. An introduction to two-phase
open-channel microflows is also presented showing that immiscible
plugs can be transported by an open-channel flow. Finally, a
selection of interesting applications in the domains of space,
materials, medicine and biology is presented, showing the
potentialities of open-channel microfluidics.
All living matter is comprised of cells; small compartments
isolated from the environment by a cell membrane and filled with
concentrated solutions of various organic and inorganic compounds.
Some organisms are a single cell and all life functions are
performed by that cell. Others have groups of cells, or entire
organs, specializing in one particular function. The survival of
the entire organism depends on all its cells and organs fulfilling
their roles. The aim of this book is to investigate the basic
physical phenomena occurring in cells. These physical transport
processes facilitate chemical reactions in the cell and that, in
turn, leads to the biological functions necessary for the cell to
satisfy its role in the mother organism. Ultimately, the goal of
every cell is to stay alive and to fulfil its function as a part of
a larger organ or organism. This first volume is an inventory of
physical transport processes occurring in cells, while the second
volume will take a closer look at how complex biological and
physiological cell phenomena result from these very basic physical
processes.
Today, air-to-surface vessel (ASV) radars, or more generally
airborne maritime surveillance radars, are installed on maritime
reconnaissance aircraft for long-range detection, tracking and
classification of surface ships (ASuW--anti-surface warfare) and
for hunting submarines (ASW--anti-submarine warfare). Such radars
were first developed in the UK during WWII as part of the response
to the threat to shipping from German U boats. This book describes
the ASV radars developed in the UK and used by RAF Coastal Command
during WWII for long-range maritime surveillance.
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