Decoherence And Quantum Measurements

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Quantum Measurements and Decoherence

Author : M. Mensky
Publisher : Springer Science & Business Media
ISBN 13 : 9780792362272
Total Pages : 252 pages
Book Rating : 4.3/5 (622 download)

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Book Synopsis Quantum Measurements and Decoherence by : M. Mensky

Download or read book Quantum Measurements and Decoherence written by M. Mensky and published by Springer Science & Business Media. This book was released on 2000-03-31 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum measurement (Le., a measurement which is sufficiently precise for quantum effects to be essential) was always one of the most impor tant points in quantum mechanics because it most evidently revealed the difference between quantum and classical physics. Now quantum measure ment is again under active investigation, first of all because of the practical necessity of dealing with highly precise and complicated measurements. The nature of quantum measurement has become understood much bet ter during this new period of activity, the understanding being expressed by the concept of decoherence. This term means a physical process lead ing from a pure quantum state (wave function) of the system prior to the measurement to its state after the measurement which includes classical elements. More concretely, decoherence occurs as a result of the entangle ment of the measured system with its environment and results in the loss of phase relations between components of the wave function of the measured system. Decoherence is essentially nothing else than quantum measurement, but considered from the point of view of its physical mechanism and resolved in time. The present book is devoted to the two concepts of quantum measure ment and decoherence and to their interrelation, especially in the context of continuous quantum measurement.

Quantum Measurement and Control

Author : Howard M. Wiseman
Publisher : Cambridge University Press
ISBN 13 : 0521804426
Total Pages : 477 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis Quantum Measurement and Control by : Howard M. Wiseman

Download or read book Quantum Measurement and Control written by Howard M. Wiseman and published by Cambridge University Press. This book was released on 2010 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern quantum measurement for graduate students and researchers in quantum information, quantum metrology, quantum control and related fields.

Decoherence

Author : Maximilian A. Schlosshauer
Publisher : Springer Science & Business Media
ISBN 13 : 3540357750
Total Pages : 428 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Decoherence by : Maximilian A. Schlosshauer

Download or read book Decoherence written by Maximilian A. Schlosshauer and published by Springer Science & Business Media. This book was released on 2007-07-28 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed, accessible introduction to the field of quantum decoherence reviews the basics and then explains the essential consequences of the phenomenon for our understanding of the world. The discussion includes, among other things: How the classical world of our experience can emerge from quantum mechanics; the implications of decoherence for various interpretations of quantum mechanics; recent experiments confirming the puzzling consequences of the quantum superposition principle and making decoherence processes directly observable.

Compendium of Quantum Physics

Author : Daniel Greenberger
Publisher : Springer Science & Business Media
ISBN 13 : 3540706267
Total Pages : 901 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Compendium of Quantum Physics by : Daniel Greenberger

Download or read book Compendium of Quantum Physics written by Daniel Greenberger and published by Springer Science & Business Media. This book was released on 2009-07-25 with total page 901 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by leading quantum physicists, philosophers and historians, this comprehensive A-to-Z of quantum physics provides a lucid understanding of key concepts of quantum theory and experiment. It covers technical and interpretational aspects alike, and includes both traditional and new concepts, making it an indispensable resource for concise, up-to-date information about the many facets of quantum physics.

Quantum Decoherence

Author : Jean-Michel Raimond
Publisher : Springer Science & Business Media
ISBN 13 : 3764378085
Total Pages : 197 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Quantum Decoherence by : Jean-Michel Raimond

Download or read book Quantum Decoherence written by Jean-Michel Raimond and published by Springer Science & Business Media. This book was released on 2006-12-18 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is devoted to Quantum Decoherence with lectures from the Séminaire Poincaré, held in November 2005 at the Institute Henri Poincaré Paris. The goal of this seminar is to provide up-to-date information about general topics of great interest in physics. Both the theoretical and experimental results are covered, with some historical background. Particular care is devoted to the pedagogical nature of the presentation.

Decoherence and the Appearance of a Classical World in Quantum Theory

Author : Domenico Giulini
Publisher : Springer Science & Business Media
ISBN 13 : 3662032635
Total Pages : 371 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Decoherence and the Appearance of a Classical World in Quantum Theory by : Domenico Giulini

Download or read book Decoherence and the Appearance of a Classical World in Quantum Theory written by Domenico Giulini and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decoherence, a concept known only to few physicists when the first edition appeared in 1996, has since become firmly established experimentally and understood theoretically, as well as widely reported in the literature. The major consequences of decoherence are the emergence of "classicality" in general, superselection rules, the border line between microscopic and macroscopic behavior in molecules and field theory, the emergence of classical spacetime, and the appearance of quantum jumps. The most important new developments in this rapidly evolving field are included in the second edition of this book, which has become a standard reference on the subject. All chapters have been thoroughly revised and updated. New fields of application now addressed span chaos theory, quantum information, neuroscience, primordial fluctuations in cosmology, black holes and string theory, experimental tests, and interpretational issues. While the major part of the book is concerned with environmental decoherence derived from a universal Schrödinger equation, later chapters address related or competing methods, such as consistent histories, open system dynamics, algebraic approaches, and collapse models.

The Quantum Measurement Problem

Author : Michael Steiner
Publisher :
ISBN 13 : 9781732291003
Total Pages : 492 pages
Book Rating : 4.2/5 (91 download)

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Book Synopsis The Quantum Measurement Problem by : Michael Steiner

Download or read book The Quantum Measurement Problem written by Michael Steiner and published by . This book was released on 2018-08-17 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Quantum Measurement Problem (QMP) is a single resource for information on the QMP and it establishes a basis for research on what is arguably the most well-known and still-unresolved scientific problem: how does our observed world relate to the quantum? The book is suitable for both undergraduate level study on a selective basis as well as graduate level study and for use as a resource for research scientists interested in aspects of the QMP. There are many sections that can even be profitably read by the general public to appreciate the history and future importance of the QMP. Although many books are now available that adequately address Quantum Information, this is the first book offering a comparable treatment for the QMP. The QMP has a companion website, https: //theqmp.com, with video presentations and other resources. There are some in the physics community that view the QMP only as a problem that requires an interpretation while others view its solution as essential to complete our physical description of the world and enhance our ability to design experimental probes of its physical elements in terms of quantum physics. This book critically examines these two viewpoints and resolves this dichotomy in favor of the latter viewpoint. The problem is precisely defined in terms of experimental operations and the scientific requirements that a resolution would have to meet. It explains why the QMP is a physical problem that requires more than an interpretation for its resolution and why a solution could have profound implications for physics as well as other fields. In particular, it uses quantum information methods for a constructive demonstration that unitary Schrödinger processes can be experimentally distinguished from measurement processes using well-established techniques such as Bell measurements, which would establish that measurement is a non-unitary process. Neither Schrödinger's equation nor the measurement postulate is found to be sufficient to explain measurement. For the first time, The QMP offers a single resource that thoroughly assesses the strengths and weaknesses of the major approaches to the QMP. . The exposition in The QMP contains eight chapters, including problem sets, with dual tracks throughout the book that allow both those with a technical background in quantum physics or quantum information as well as less-technical readers to come up to speed on the QMP, depending on their interests and background. . Chapters 1 and 2 are an introductory-level presentation of wave-particle duality and unitary Schrödinger processes. Chapter 3 is a key chapter that uses quantum information methods for a constructive demonstration that unitary Schrödinger processes can be experimentally distinguished from measurement processes using well-established techniques such as Bell measurements, which would establish that measurement is a non-unitary process. Chapter 4 presents a detailed definition of the QMP in terms of experimental observations and uses the results of Chapter 3 to systematically evaluate the strength and weaknesses of all the major approaches to the QMP in the literature and determine which constitute physical theories as opposed to philosophical interpretations. Chapter 5 gives an uncensored historical perspective leading to the development of quantum physics from the viewpoint of those physical aspects which will ultimately form the elements of the QMP. Chapter 6 presents a unique discussion of the Scientific Method and how the use of scientific deduction within the approach of radical conservatism can most proficiently address problems of quantum foundations. Chapter 7 presents concepts and mathematical tools useful for further research developments of both closed and open system approaches to the QMP. Chapter 8 presents conclusions and the status of the QMP for moving forward.

Quantum Coherence Correlation and Decoherence in Semiconductor Nanostructures

Author : Toshihide Takagahara
Publisher : Academic Press
ISBN 13 : 0080525121
Total Pages : 508 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Quantum Coherence Correlation and Decoherence in Semiconductor Nanostructures by : Toshihide Takagahara

Download or read book Quantum Coherence Correlation and Decoherence in Semiconductor Nanostructures written by Toshihide Takagahara and published by Academic Press. This book was released on 2003-02-10 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor nanostructures are attracting a great deal of interest as the most promising device with which to implement quantum information processing and quantum computing. This book surveys the present status of nanofabrication techniques, near field spectroscopy and microscopy to assist the fabricated nanostructures. It will be essential reading for academic and industrial researchers in pure and applied physics, optics, semiconductors and microelectronics. - The first up-to-date review articles on various aspects on quantum coherence, correlation and decoherence in semiconductor nanostructures

Quantum Aspects of Life

Author : Derek Abbott
Publisher : World Scientific
ISBN 13 : 1848162677
Total Pages : 469 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Quantum Aspects of Life by : Derek Abbott

Download or read book Quantum Aspects of Life written by Derek Abbott and published by World Scientific. This book was released on 2008 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantum origin of life? -- Quantum mechanics and emergence -- Quantum coherence and the search for the first replicator -- Ultrafast quantum dynamics in photosynthesis -- Modelling quantum decoherence in biomolecules -- Molecular evolution -- Memory depends on the cytoskeleton, but is it quantum? -- Quantum metabolism and allometric scaling relations in biology -- Spectroscopy of the genetic code -- Towards understanding the origin of genetic languages -- Can arbitrary quantum systems undergo self-replication? -- A semi-quantum version of the game of life -- Evolutionary stability in quantum games -- Quantum transmemetic intelligence -- Dreams versus reality : plenary debate session on quantum computing -- Plenary debate: quantum effects in biology : trivial or not? -- Nontrivial quantum effects in biology : a skeptical physicists' view -- That's life! : the geometry of p electron clouds.

Quantum Measurement Theory and its Applications

Author : Kurt Jacobs
Publisher : Cambridge University Press
ISBN 13 : 1139992198
Total Pages : 729 pages
Book Rating : 4.1/5 (399 download)

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Book Synopsis Quantum Measurement Theory and its Applications by : Kurt Jacobs

Download or read book Quantum Measurement Theory and its Applications written by Kurt Jacobs and published by Cambridge University Press. This book was released on 2014-08-14 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent experimental advances in the control of quantum superconducting circuits, nano-mechanical resonators and photonic crystals has meant that quantum measurement theory is now an indispensable part of the modelling and design of experimental technologies. This book, aimed at graduate students and researchers in physics, gives a thorough introduction to the basic theory of quantum measurement and many of its important modern applications. Measurement and control is explicitly treated in superconducting circuits and optical and opto-mechanical systems, and methods for deriving the Hamiltonians of superconducting circuits are introduced in detail. Further applications covered include feedback control, metrology, open systems and thermal environments, Maxwell's demon, and the quantum-to-classical transition.

Coherent atomic matter waves - Ondes de matiere coherentes

Author : R. Kaiser
Publisher : Springer Science & Business Media
ISBN 13 : 3540410473
Total Pages : 725 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Coherent atomic matter waves - Ondes de matiere coherentes by : R. Kaiser

Download or read book Coherent atomic matter waves - Ondes de matiere coherentes written by R. Kaiser and published by Springer Science & Business Media. This book was released on 2001-02-28 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, devoted to the study of quantum effects in atomic systems, reviews the state of the art in the fields of Bose--Einstein condensation, quantum information processing, and the problems of propagation of matter waves in complex media. The specific topics include: theory and experiments in Bose--Einstein condensation, theory and experiments on decoherence phenomena in simple quantum systems and the connection to quantum measurement, atom interferometry, quantum computing, multiple scattering problems in atomic physics, quantum and nonlinear optics in a photonic band gap and quantum chaos and atomic physics. Pedagogical in style, the articles address PhD students as well as researchers.

Quantum Communication, Computing, and Measurement 3

Author : Paolo Tombesi
Publisher : Springer Science & Business Media
ISBN 13 : 0306471140
Total Pages : 472 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Quantum Communication, Computing, and Measurement 3 by : Paolo Tombesi

Download or read book Quantum Communication, Computing, and Measurement 3 written by Paolo Tombesi and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains contributions based on the lectures delivered and posters presented at the Fifth International Conference on Quantum Communication, Measurement and Computing (QCM&C-Y2K). This Conference is the fifth of a successful series hosted this time in Italy, was held in Capri, 3-7 July, 2000. The conference was attended by more than 200 participants from all over the world. There was also a high level of participation from graduate students, who greatly benefited from the opportunity to attend world-class conferences. The Conference Hall was hosted in La Residenza Hotel in Capri, where part of p- ticipants where housed, while others where housed in various cozy nearby - tels. All enjoyed the pleasant atmosphere offered by the island of Capri. There were 59 invited lectures given as oral presentations of 30 minutes and 94 poster papers. The major topics covered at the Conference where new experimental and theoretical results in quantum information. They were divided in five parts; i) Quantum Information and Communication, ii) Quantum Measurement, - coherence, and Tomography, iii) Quantum Computing, iv) Cryptography, v) Entanglement and Teleportation. We were lucky in that almost all major - perimental groups in the world working in this area were represented, as were the major theoreticians. There was very active audience participation. A n- ber of graduate students and post-docs were able to present their contributions in four after dinner poster sessions.

Quantum Communication, Computing, and Measurement

Author : Osamu Hirota
Publisher : Springer Science & Business Media
ISBN 13 : 1461559235
Total Pages : 521 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Quantum Communication, Computing, and Measurement by : Osamu Hirota

Download or read book Quantum Communication, Computing, and Measurement written by Osamu Hirota and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the Third International Conference on Quantum Communication and Measurement. The series of international conferences on quantum communication and measurement was established to encourage scientists working in the interdisciplinary research fields of quantum communication science and technology. The first such conference, organized by C. Benjaballah and O. Hirota under the title "Quantum Aspects of Optical Communication," assembled approximately 80 researchers in Paris in 1990. The second conference, held in Nottingham in 1994, was organized by V. P. Belavkin, R. L. Hudson, and O. Hirota and attracted about 130 participants from 22 countries. The present conference, organized by O. Hirota, A. S. Holevo, C. M. Caves, H. P. Yuen, and L. Accardi, was heldSeptember 25-30, 1996, in Fuji-Hakone Land, Japan, andjnvolved about 120 researchers from 15 countries. The topics at this third conference included the foundations of quantum communi cation and information theory, quantum measurement theory, quantum cryptography and quantum computation, quantum devices and high-precision measurements, gener ation of nonclassical light, and atom optics. Special emphasis was placed on bringing together research workers in experimental and engineering fields of quantum commu nication and quantum computing and theoreticians working in quantum measurement and information theory. Nineteen plenary and parallel sessions and one poster ses sion were organized, at which a total of 82 papers were presented. Interesting and stimulating scientific discussions took place between and after sessions as well as in the evenings.

Beyond Weird

Author : Philip Ball
Publisher : University of Chicago Press
ISBN 13 : 022655838X
Total Pages : 382 pages
Book Rating : 4.2/5 (265 download)

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Book Synopsis Beyond Weird by : Philip Ball

Download or read book Beyond Weird written by Philip Ball and published by University of Chicago Press. This book was released on 2018-10-18 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Anyone who is not shocked by quantum theory has not understood it.” Since Niels Bohr said this many years ago, quantum mechanics has only been getting more shocking. We now realize that it’s not really telling us that “weird” things happen out of sight, on the tiniest level, in the atomic world: rather, everything is quantum. But if quantum mechanics is correct, what seems obvious and right in our everyday world is built on foundations that don’t seem obvious or right at all—or even possible. An exhilarating tour of the contemporary quantum landscape, Beyond Weird is a book about what quantum physics really means—and what it doesn’t. Science writer Philip Ball offers an up-to-date, accessible account of the quest to come to grips with the most fundamental theory of physical reality, and to explain how its counterintuitive principles underpin the world we experience. Over the past decade it has become clear that quantum physics is less a theory about particles and waves, uncertainty and fuzziness, than a theory about information and knowledge—about what can be known, and how we can know it. Discoveries and experiments over the past few decades have called into question the meanings and limits of space and time, cause and effect, and, ultimately, of knowledge itself. The quantum world Ball shows us isn’t a different world. It is our world, and if anything deserves to be called “weird,” it’s us.

Entangled Systems

Author : Jürgen Audretsch
Publisher : John Wiley & Sons
ISBN 13 : 352761916X
Total Pages : 357 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Entangled Systems by : Jürgen Audretsch

Download or read book Entangled Systems written by Jürgen Audretsch and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introductory textbook for advanced students of physics, chemistry and computer science, covering an area of physics that has lately witnessed rapid expansion. The topics treated here include quantum information, quantum communication, quantum computing, teleportation and hidden parameters, thus imparting not only a well-founded understanding of quantum theory as such, but also a solid basis of knowledge from which readers can follow the rapid development of the topic or delve deeper into a more specialized branch of research. Commented recommendations for further reading as well as end-of-chapter problems help the reader to quickly access the theoretical basics of future key technologies.

Quantum Optics

Author : Miguel Orszag
Publisher : Springer
ISBN 13 : 3319290371
Total Pages : 491 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Quantum Optics by : Miguel Orszag

Download or read book Quantum Optics written by Miguel Orszag and published by Springer. This book was released on 2016-04-18 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition gives a unique and broad coverage of basic laser-related phenomena that allow graduate students, scientists and engineers to carry out research in quantum optics and laser physics. It covers quantization of the electromagnetic field, quantum theory of coherence, atom-field interaction models, resonance fluorescence, quantum theory of damping, laser theory using both the master equation and the Langevin theory, the correlated emission laser, input-output theory with applications to non-linear optics, quantum trajectories, quantum non-demolition measurements and generation of non-classical vibrational states of ions in a Paul trap. In this third edition, there is an enlarged chapter on trapped ions, as well as new sections on quantum computing and quantum bits with applications. There is also additional material included for quantum processing and entanglement. These topics are presented in a unified and didactic manner, each chapter is accompanied by specific problems and hints to solutions to deepen the knowledge.

Consistent Quantum Theory

Author : Robert B. Griffiths
Publisher : Cambridge University Press
ISBN 13 : 9780521539296
Total Pages : 412 pages
Book Rating : 4.5/5 (392 download)

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Book Synopsis Consistent Quantum Theory by : Robert B. Griffiths

Download or read book Consistent Quantum Theory written by Robert B. Griffiths and published by Cambridge University Press. This book was released on 2003-11-13 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum mechanics is one of the most fundamental yet difficult subjects in physics. Nonrelativistic quantum theory is presented here in a clear and systematic fashion, integrating Born's probabilistic interpretation with Schrödinger dynamics. Basic quantum principles are illustrated with simple examples requiring no mathematics beyond linear algebra and elementary probability theory. The quantum measurement process is consistently analyzed using fundamental quantum principles without referring to measurement. These same principles are used to resolve several of the paradoxes that have long perplexed physicists, including the double slit and Schrödinger's cat. The consistent histories formalism used here was first introduced by the author, and extended by M. Gell-Mann, J. Hartle and R. Omnès. Essential for researchers yet accessible to advanced undergraduate students in physics, chemistry, mathematics, and computer science, this book is supplementary to standard textbooks. It will also be of interest to physicists and philosophers working on the foundations of quantum mechanics.