Quantum Fluctuations
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Quantum Fluctuations Of Spacetime
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Author : Lawrence B. Crowell
language : en
Publisher: World Scientific
Release Date : 2005
Quantum Fluctuations Of Spacetime written by Lawrence B. Crowell and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
Three key aspects of quantum gravity are considered in this book: phenomenology, potential experimental aspects and foundational theory. The phenomenology is the treatment of metric quantum fluctuations as torsional curves that deviate from classical expectations. This leads to possible experimental configurations that may detect such fluctuations. Most of these proposed experiments are quantum optical measurements of subtle quantum gravity effects in the interaction of photons and atoms. The foundational discussions attempt to find an substratum to string theories, which are motivated by the phenomenological treatment. Quantum gravity is not the quantization of general relativity, but is instead the embedding of quantum theory and gravitation into a more fundamental field theoretic framework.
An Introduction To Quantum Optics And Quantum Fluctuations
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Author : Peter W. Milonni
language : en
Publisher: Oxford University Press
Release Date : 2019
An Introduction To Quantum Optics And Quantum Fluctuations written by Peter W. Milonni and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Science categories.
This is an introduction to the quantum theory of light and its broad implications and applications. A significant part of the book covers material with direct relevance to current basic and applied research, such as quantum fluctuations and their role in laser physics and the theory of forces between macroscopic bodies (Casimir effects). The book includes numerous historical sidelights throughout, and approximately seventy exercises. The book provides detailed expositions of the theory with emphasis on general physical principles. Foundational topics in classical and quantum electrodynamics are addressed in the first half of the book, including the semiclassical theory of atom-field interactions, the quantization of the electromagnetic field in dispersive and dissipative media, uncertainty relations, and spontaneous emission. The second half begins with a chapter on the Jaynes-Cummings model, dressed states, and some distinctly quantum-mechanical features of atom-field interactions, and includes discussion of entanglement, the no-cloning theorem, von Neumann's proof concerning hidden variable theories, Bell's theorem, and tests of Bell inequalities. The last two chapters focus on quantum fluctuations and fluctuation-dissipation relations, beginning with Brownian motion, the Fokker-Planck equation, and classical and quantum Langevin equations. Detailed calculations are presented for the laser linewidth, spontaneous emission noise, photon statistics of linear amplifiers and attenuators, and other phenomena. Van der Waals interactions, Casimir forces, the Lifshitz theory of molecular forces between macroscopic media, and the many-body theory of such forces based on dyadic Green functions are analyzed from the perspective of Langevin noise, vacuum field fluctuations, and zero-point energy.
Quantum Fluctuations
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Author : Edward Nelson
language : en
Publisher: Princeton University Press
Release Date : 2020-09-01
Quantum Fluctuations written by Edward Nelson and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-01 with Science categories.
Stochastic mechanics is a description of quantum phenomena in classical probabilistic terms. This work contains a detailed account of the kinematics of diffusion processes, including diffusions on curved manifolds which are necessary for the treatment of spin in stochastic mechanics. The dynamical equations of the theory are derived from a variational principle, and interference, the asymptotics of free motion, bound states, statistics, and spin are described in classical terms. In addition to developing the formal mathematical aspects of the theory, the book contains discussion of possible physical causes of quantum fluctuations in terms of an interaction with a background field. The author gives a critical analysis of stochastic mechanics as a candidate for a realistic theory of physical processes, discussing measurement, local causality in the sense of Bell, and the failure of the theory in its present form to satisfy locality.
Photons And Quantum Fluctuations
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Author : E. R. Pike
language : en
Publisher: CRC Press
Release Date : 2020-08-26
Photons And Quantum Fluctuations written by E. R. Pike and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-26 with Science categories.
Based on a special ONR seminar, Photons and Quantum Fluctuations draws together discoveries in nonclassical or "silent" light for research workers and postgraduates in quantum optics. With nonclassical light, noise is reduced in amplitude below that expected by previous applications of the uncertainty principles. Historians of science who wish to ponder the philosophical implications of these developments may also find this a useful volume.
An Introduction To Quantum Optics And Quantum Fluctuations
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Author : Peter Milonni
language : en
Publisher:
Release Date : 2023-09-29
An Introduction To Quantum Optics And Quantum Fluctuations written by Peter Milonni and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-29 with categories.
This is an introduction to the quantum theory of light and its broad implications and applications. A significant part of the book covers material with direct relevance to current basic and applied research, such as quantum fluctuations and their role in laser physics and the theory of forces between macroscopic bodies (Casimir effects). The book includes numerous historical sidelights throughout, and approximately seventy exercises. The book provides detailed expositions of the theory with emphasis on general physical principles. Foundational topics in classical and quantum electrodynamics are addressed in the first half of the book, including the semiclassical theory of atom-field interactions, the quantization of the electromagnetic field in dispersive and dissipative media, uncertainty relations, and spontaneous emission. The second half begins with a chapter on the Jaynes-Cummings model, dressed states, and some distinctly quantum-mechanical features of atom-field interactions, and includes discussion of entanglement, the no-cloning theorem, von Neumann's proof concerning hidden variable theories, Bell's theorem, and tests of Bell inequalities. The last two chapters focus on quantum fluctuations and fluctuation-dissipation relations, beginning with Brownian motion, the Fokker-Planck equation, and classical and quantum Langevin equations. Detailed calculations are presented for the laser linewidth, spontaneous emission noise, photon statistics of linear amplifiers and attenuators, and other phenomena. Van der Waals interactions, Casimir forces, the Lifshitz theory of molecular forces between macroscopic media, and the many-body theory of such forces based on dyadic Green functions are analyzed from the perspective of Langevin noise, vacuum field fluctuations, and zero-point energy.
Quantum Fluctuations In Mesoscopic And Macroscopic Systems Proceedings Of The Adriatico Research Conference
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Author : H A Cerdeira
language : en
Publisher: World Scientific
Release Date : 1991-05-24
Quantum Fluctuations In Mesoscopic And Macroscopic Systems Proceedings Of The Adriatico Research Conference written by H A Cerdeira and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-05-24 with categories.
Novel phenomena in submicron semiconductor devices and small Josephson junctions emphasize the need to understand quantum mechanical coherence and tunneling in mesoscopic and macroscopic systems. These proceedings review the recent experimental and theoretical progress and discuss new concepts, techniques and results.
Spatio Temporal Chaos And Vacuum Fluctuations Of Quantized Fields
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Author : Christian Beck
language : en
Publisher: World Scientific
Release Date : 2002
Spatio Temporal Chaos And Vacuum Fluctuations Of Quantized Fields written by Christian Beck and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
"This book deals with new applications for coupled map lattices in quantum field theories and elementary particle physics"--P. xiii.
Quantum Fluctuations
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Author : S. Reynaud
language : en
Publisher: North Holland
Release Date : 1997-06-09
Quantum Fluctuations written by S. Reynaud and has been published by North Holland this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-06-09 with Science categories.
Quantum fluctuations are present in many domains of physics. In recent years, there has been significant progress in the theoretical and experimental study of these fluctuations, in optics, electronics, atomic physics, metrology, relativity and cosmology. Quantum fluctuations are now observed and measured in experiments and also modified and manipulated using elaborate techniques. These proceedings bring together young scientists who together examine new techniques and the latest research in the field. Among the topics covered are: the methods used to treat quantum fluctuations in optical systems; the recent development of the quantum stochastic methods; the interaction of light with nonlinear materials; the generation of sub-Poisson photon statistics in lasers through the pumping mechanism; the problem of measurement of electromagnetic fields; the problems of instabilities, turbulence and chaos; the analysis of phenomena related to gravity, inertia and cosmology.
Quantum Squeezing
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Author : Peter D. Drummond
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Quantum Squeezing written by Peter D. Drummond and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.
Covers the new field of squeezing in quantum fields, encompassing all types of systems in which quantum fluctuations are reduced below those in the normal vacuum state. The first comprehensive overview of the field, it presents the currently known techniques of generating squeezed photon fields, together with treatments of matter field squeezing. Both theory and experiments are treated, together with applications to communications and measurement.
Spatio Temporal Dynamics And Quantum Fluctuations In Semiconductor Lasers
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Author : Edeltraud Gehrig
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-09-22
Spatio Temporal Dynamics And Quantum Fluctuations In Semiconductor Lasers written by Edeltraud Gehrig and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-09-22 with Technology & Engineering categories.
Presents fundamental theories and simulations of the spatio-temporal dynamics and quantum fluctuations in semiconductor lasers. The dynamic interplay of light and matter is theoretically described by taking into account microscopic carrier dynamics, spatially dependent light-field propagation and the influence of spontaneous emission and noise.