Quantum Metrology and Fundamental Physical Constants (Nato a S I Series Series B, Physics)

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All current methods of secure communication such as public-key cryptography can eventually be broken by faster computing. At the interface of physics and computer science lies a powerful solution for secure communications: quantum cryptography. Because eavesdropping changes the physical nature of the information, users in a quantum exchange can easily detect eavesdroppers. This allows for totally secure random key distribution, a central requirement for use of the one-time pad. Since the one-time pad is theoretically proven to be undecipherable, quantum cryptography is the key to perfect secrecy. Quantum Communications and Cryptography is the first comprehensive review of the past, present, and potential developments in this dynamic field. Leading expert contributors from around the world discuss the scientific foundations, experimental and theoretical developments, and cutting-edge technical and engineering advances in quantum communications and cryptography. The book describes the engineering principles and practical implementations in a real-world metropolitan network as well as physical principles and experimental results of such technologies as entanglement swapping and quantum teleportation. It also offers the first detailed treatment of quantum information processing with continuous variables. Technologies include both free-space and fiber-based communications systems along with the necessary protocols and information processing approaches. Bridging the gap between physics and engineering, Quantum Communications and Cryptography supplies a springboard for further developments and breakthroughs in this rapidly growing area.

Beyond Measure: Modern Physics, Philosophy, and the Meaning of Quantum Theory

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A light on Uncertainty

Beyond Measure: Modern Physics, Philosophy, and the Meaning of Quantum Theory
Jim Baggott
Manufacturer: Oxford University Press, USA
ProductGroup: Book
Binding: Paperback

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ASIN: 0198525362

Book Description

Quantum theory is one the most important and successful theories of modern physical science. It has been estimated that its principles form the basis for about 30 per cent of the world's manufacturing economy. This is all the more remarkable because quantum theory is a theory that nobody
understands. The meaning of Quantum Theory introduces science students to the theory's fundamental conceptual and philosophical problems, and the basis of its non-understandability. It does this with the barest minimum of jargon and very little mathematics in the main text. Readers wishing to delve
more deeply into the theory's mathematical subtleties can do so in an extended series of appendices. The book brings the reader up to date with the results of new experimental tests of quantum weirdness and reviews the latest thinking on alternative interpretations, the frontiers of quantum
cosmology, quantum gravity and potential application of this weirdness in computing, cryptography and teleportation.

Customer Reviews:

A light on Uncertainty.......2006-03-19

This was just the tonic I needed to get past the perceived barrier of mystery surrounding micro physics. Jim Baggott writing is clear and the subject is well organized. I feel I am no longer ignorant of this amazing field.

Quantum Measurements and Decoherence - Models and Phenomenology (FUNDAMENTAL THEORIES OF PHYSICS Volume 110) (Fundamental Theories of Physics)

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Quantum Measurements and Decoherence - Models and Phenomenology (FUNDAMENTAL THEORIES OF PHYSICS Volume 110) (Fundamental Theories of Physics)
M. Mensky
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0792362276

Book Description

This book is devoted to the theory of quantum measurements, an area that recently has attracted much attention because of its new applications for quantum information technology. The phenomenon of decoherence of a measured system is investigated and simple techniques for the description of a wide class of measurements are developed. An individual continuously measured (decohering) system is presented by an effective complex Hamiltonian which supplies a phenomenological theory of gradual decoherence.
The work, which features a clear presentation of physical processes leading to quantum measurement (decoherence) and simple mathematical formalisms, concentrates on the physical nature of quantum measurements and the behaviour of measured (open) quantum systems, but conceptual problems are also treated. The analysis of interrelations between different approaches to quantum measurement is given. The methods developed in this volume are applicable for the description of individual continuously measured (decohering) systems, not only to a whole set of such systems.
Audience: This work will be of interest to both researchers and graduate students in the fields of quantum mechanics, metaphysics, probability theory, stochastic processes, the mathematics of physics and computational physics.

The Quantum in Chemistry: An Experimentalist's View

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The Quantum in Chemistry: An Experimentalist's View
Roger Grinter
Manufacturer: Wiley
ProductGroup: Book
Binding: Paperback

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ASIN: 0470013184

Book Description

This book explores the way in which quantum theory has become central to our understanding of the behaviour of atoms and molecules. It looks at the way in which this underlies so many of the experimental measurements we make, how we interpret those experiments and the language which we use to describe our results. It attempts to provide an account of the quantum theory and some of its applications to chemistry.

This book is for researchers working on experimental aspects of chemistry and the allied sciences at all levels, from advanced undergraduates to experienced research project leaders, wishing to improve, by self-study or in small research-orientated groups, their understanding of the ways in which quantum mechanics can be applied to their problems. The book also aims to provide useful background material for teachers of quantum mechanics courses and their students.

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This book explores the way in which quantum theory has become central to our understanding of the behaviour of atoms and molecules and the way in which this underlies so many of the experimental measurements we make, how we interpret those experiments and the language which we use to describe our results. It attempts to provide an account of the quantum theory and some of its applications to chemistry. The subject matter develops as follows: Chapter 1 considers the place of theory in science, emphasising in particular the significance of hypotheses, postulates and laws; Chapter 2 gives an account, in approximately historical sequence, of the development of the quantum theory paying particular attention to the emerging experimental data and the new theoretical concepts developed for their interpretation; Chapters 3 and 4 describe some fundamental details of the theory with explanations and simple, chemically-relevant examples. Emphasis is laid on what we can and cannot know and comparisons with classical, macroscopic mechanics are made wherever possible; The remaining chapters (5-12) describe the quantum mechanics involved in the important techniques (especially IR, NMR and electronic spectroscopy) and theoretical concepts (the chemical bond, molecular magnetism) that underlie our modern views of molecular structure and function. Here also calculations relevant to chemical problems are described in detail; Many aspects of the mathematics of quantum theory are placed in the 10 appendices which also provide a valuable source of reference material on units, conversion factors and mathematical functions useful in quantum-mechanical calculations; Most chapters include boxed text that expands on and explains the material in the main text and problems are presented at the end of each chapter. This book is for researchers working on experimental aspects of chemistry and the allied sciences at all levels, from advanced undergraduates to experienced research project leaders, wishing to improve, by self-study or in small research-orientated groups, their understanding of the ways in which quantum mechanics can be applied to their problems. The book also aims to provide useful background material for teachers of quantum mechanics courses and their students.

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If you read only one book in 1998, this should be it.

Decoherence and Quantum Measurements
Mikio Namiki , Saverio Pascazio , and Hiromichi Nakazato
Manufacturer: World Scientific Publishing Company
ProductGroup: Book
Binding: Hardcover

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ASIN: 981023077X

Book Description

The quantum measurement problem is one of the most fascinating and challenging topics in physics both theoretically and experimentally. It involves deep questions and the use of very sophisticated and elegant techniques. After analyzing the fundamental principles of quantum mechanics and of the Copenhagen interpretation, this book reviews the most important approaches to the measurement problem and rigorously reformulates the "collapse of the wave function" by measurement, as a dephasing process quantitatively characterized by an order parameter (called the decoherence parameter), according to the many-Hilbert-space approach to the problem.

The book deals not only with the measurement processes (including imperfect measurements) but also with related interference and mesoscopic phenomena - by means of general arguments - of solvable models and of numerical simulations. The quantum Zeno effect and the issue of irreversibility are also discussed.

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If you read only one book in 1998, this should be it........1998-02-19

If you read only one book in 1998, this should be it.

Gleason's Theorem and Its Applications (Mathematics and its Applications)

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Gleason's Theorem and Its Applications (Mathematics and its Applications)
Anatolij Dvurecenskij
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0792319907

Book Description

This volume deals with Gleason's theorem and Gleason's measures and indicates the many ways in which they can be applied. The book comprises five chapters. Chapter 1 is devoted to elements of Hilbert space theory. Chapter 2 is devoted to quantum logic theory. Gleason's theorem is described and proved in Chapter 3, together with proofs for measures that can attain infinite values. In Chapter 4 the possibility of applying Gleason's theorem to the completeness criteria of inner product spaces is addressed. Chapter 5 discusses orthogonal measures and the unexpected possibility of describing states on Keller spaces, as well as other applications. Throughout the book, important facts and concepts are illustrated exercises. For mathematicians and physicists interested in the mathematical foundations of quantum mechanics, and those whose work involves noncommutative measure theory, orthomodular lattices. Hilbert space theory and probability theory.

Continuous Quantum Measurements and Path Integrals

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Continuous Quantum Measurements and Path Integrals
M.B Mensky
Manufacturer: Taylor & Francis
ProductGroup: Book
Binding: Hardcover

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Book Description

Advances in technology are taking the accuracy of macroscopic as well as microscopic measurements close to the quantum limit, for example, in the attempts to detect gravitational waves. Interest in continuous quantum measurements has therefore grown considerably in recent years. Continuous Quantum Measurements and Path Integrals examines these measurements using Feynman path integrals. The path integral theory is developed to provide formulae for concrete physical effects. The main conclusion drawn from the theory is that an uncertainty principle exists for processes, in addition to the familiar one for states. This implies that a continuous measurement has an optimal accuracy-a balance between inefficient error and large quantum fluctuations (quantum noise). A well-known expert in the field, the author concentrates on the physical and conceptual side of the subject rather than the mathematical.

Macroscopic Quantum Coherence and Quantum Computing

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Macroscopic Quantum Coherence and Quantum Computing

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0306465655

Book Description

This volume gives the historical and recent theoretical ground of the topic as well as detailed information on experimental results on the quantum behavior of macroscopic systems, together with some considerations on perspectives in the quantum computing area. Particular attention is given to the coherence effects in Josephson systems. The correlation with other atomic and molecular systems, exhibiting a macroscopic quantum coherence behavior is also discussed. Such proposals are considered for implementation of various schemes for coherent information processing and quantum computation.

Open Systems and Measurement in Relativistic Quantum Theory: Proceedings of the Workshop held at the Istituto Italiano per gli Studi Filosofici, Napoli, April 3-4, 1998 (Lecture Notes in Physics)

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Open Systems and Measurement in Relativistic Quantum Theory: Proceedings of the Workshop held at the Istituto Italiano per gli Studi Filosofici, Napoli, April 3-4, 1998 (Lecture Notes in Physics)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 3540659781

Book Description

This book treats modern aspects of open systems, measurement, and decoherence in relativistic quantum theory. It starts with a comprehensive introduction to the problems related to measuring local and nonlocal observables and the constraints imposed by the causality principle. In the articles that follow, the emphasis lies on new theoretical models. Quantum dynamical semigroups and stochastic processes in Hilbert space are introduced, as are dynamical reduction models. Further topics include relativistic generalizations of the continuous spontaneous localization model and of the quantum state diffusion model and decoherence and the dynamical selection of preferred basis sets in the framework of continuous measurement theory and of the decoherent histories approach. Mathematical aspects of quantum measurement theory and dynamical entropies are also studied from the viewpoint of the operational approach to quantum mechanics.

Book Description

In 1798, a decade after the Founding Fathers created a nation based on the principles of liberty and equality, Charles Brockden Brown, then an unknown Philadelphia writer, invented the American Gothic novel. His first book, Wieland, is the story of a religious fanatic haunted by demonic voices instructing him to murder his wife and children; in subsequent works, a young country bumpkin confronts the depravities of city existence, an impecunious daughter becomes the erotic obsession of an insane egomaniacal rationalist, and a sleepwalker awakes to--and participates in--the extremes of frontier savagery. How could a glorious age of American history also give rise to the darkest of literary traditions, one that would inspire Edgar Allan Poe, Stephen King, and many other best-selling American writers?

In Charles Brockden Brown's Revolution and the Birth of American Gothic, Peter Kafer carefully unravels the mystery of what compelled this pious Philadelphia Quaker to become fascinated with a peculiar form of dark European imagery and transform it into something wholly American. In the new nation, Kafer notes, there were no ancient monasteries, no haunted castles, no hierarchies of nobility to draw upon. Taking inspiration instead from his pacifist family's persecution at the hands of the American Revolutionaries, including the likes of Alexander Hamilton and John Adams, as well as from perverse expressions of European-American Protestantism and the suppressed histories of his native Pennsylvania, Brockden Brown wrote of the horrors that lurked below the triumphant veneer of the young American republic. In doing so, he became the literary conscience of his generation.

Written with a witty and acutely critical eye, Charles Brockden Brown's Revolution and the Birth of American Gothic illuminates the social and political influences on the nation's first professional novelist and reveals the surprising origins of one of American literature's most popular and enduring genres.

Peter Kafer: Charles Brockden Brown's Revolution and the Birth of American Gothic.(Book review): An article from: International Fiction Review

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Peter Kafer: Charles Brockden Brown's Revolution and the Birth of American Gothic.(Book review): An article from: International Fiction Review
Eric Daffron
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital
ASIN: B000WF6FLG
Release Date: 2007-09-25

Book Description

This digital document is an article from International Fiction Review, published by Thomson Gale on January 1, 2007. The length of the article is 735 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Peter Kafer: Charles Brockden Brown's Revolution and the Birth of American Gothic.(Book review)
Author: Eric Daffron
Publication: International Fiction Review (Magazine/Journal)
Date: January 1, 2007
Publisher: Thomson Gale
Volume: 34 Issue: 1-2 Page: 178(3)

Article Type: Book review

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