Superselection Rules, Quasi-particles and Macroscopic Quantum Systems PDF Download
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Author: Jason Edward Bradshaw
Publisher:
ISBN:
Category :
Languages : en
Pages : 196
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Book Description
Author: Jason Edward Bradshaw
Publisher:
ISBN:
Category :
Languages : en
Pages : 196
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Book Description
Author: Fiona Erica Harrison
Publisher:
ISBN:
Category :
Languages : en
Pages : 173
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Book Description
Author: K. Kong Wan
Publisher: World Scientific
ISBN: 1860946259
Category : Science
Languages : en
Pages : 712
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Book Description
Traditional quantum theory has a very rigid structure, making it difficult to accommodate new properties emerging from novel systems. This book presents a flexible and unified theory for physical systems, from micro and macro quantum to classical. This is achieved by incorporating superselection rules and maximal symmetric operators into the theory. The resulting theory is applicable to classical, microscopic quantum and non-orthodox mixed quantum systems of which macroscopic quantum systems are examples. A unified formalism also greatly facilitates the discussion of interactions between these systems. A scheme of quantization by parts is introduced, based on the mathematics of selfadjoint and maximal symmetric extensions of symmetric operators, to describe point interactions. The results are applied to treat superconducting quantum circuits in various configurations.This book also discusses various topics of interest such as the asymptotic treatment of quantum state preparation and quantum measurement, local observables and local values, Schrdinger's cat states in superconducting systems, and a path space formulation of quantum mechanics.This self-contained book is complete with a review of relevant geometric and operator theories, for example, vector fields and operators, symmetric operators and their maximal symmetric extensions, direct integrals of Hilbert spaces and operators.
Author: Moiseĭ Isaakovich Kaganov
Publisher:
ISBN:
Category : Quantum field theory
Languages : en
Pages : 108
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Book Description
Author: Mathias Van Regemortel
Publisher:
ISBN:
Category :
Languages : en
Pages : 182
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Book Description
Author: Paul Busch
Publisher: Springer Science & Business Media
ISBN: 3540372059
Category : Science
Languages : en
Pages : 193
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Book Description
The amazing accuracy in verifying quantum effects experimentally has recently renewed interest in quantum mechanical measurement theory. In this book the authors give within the Hilbert space formulation of quantum mechanics a systematic exposition of the quantum theory of measurement. Their approach includes the concepts of unsharp objectification and of nonunitary transformations needed for a unifying description of various detailed investigations. The book addresses advanced students and researchers in physics and philosophy of science. In this second edition Chaps. II-IV have been substantially rewritten. In particular, an insolubility theorem for the objectification problem has been formulated in full generality, which includes unsharp object observables as well as unsharp pointers.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 960
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Book Description
Theses on any subject submitted by the academic libraries in the UK and Ireland.
Author: Fabio Benatti
Publisher: Springer Science & Business Media
ISBN: 3642119131
Category : Science
Languages : en
Pages : 357
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Book Description
This multi-authored textbook addresses graduate students with a background in physics, mathematics or computer science. No research experience is necessary. Consequently, rather than comprehensively reviewing the vast body of knowledge and literature gathered in the past twenty years, this book concentrates on a number of carefully selected aspects of quantum information theory and technology. Given the highly interdisciplinary nature of the subject, the multi-authored approach brings together different points of view from various renowned experts, providing a coherent picture of the subject matter. The book consists of ten chapters and includes examples, problems, and exercises. The first five present the mathematical tools required for a full comprehension of various aspects of quantum mechanics, classical information, and coding theory. Chapter 6 deals with the manipulation and transmission of information in the quantum realm. Chapters 7 and 8 discuss experimental implementations of quantum information ideas using photons and atoms. Finally, chapters 9 and 10 address ground-breaking applications in cryptography and computation.
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 1212
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Book Description
Author: Werner Gans
Publisher: Springer Science & Business Media
ISBN: 1468459406
Category : Science
Languages : en
Pages : 588
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Book Description
This NATO Advanced Study Institute centered on large-scale molecular systems: Quantum mechanics, although providing a general framework for the description of matter, is not easily applicable to many concrete systems of interest; classical statistical methods, on the other hand, allow only a partial picture of the behaviour of large systems. The aim of the ASI was to present both aspects of the subject matter and to foster interaction between the scientists working in these important areas of theoretical physics and theoretical chemistry. The quantum-mechanical part was mostly based on the operator-algebraic formulation of quantum mechanics and comprised quantum statistics of infinite systems with special em phasis on macroscopic observables, equilibrium conditions, irreversibility on the one hand, symmetry breaking for molecules in the radiation field and macroscopic quantum phenomena in the theory of superconductivity (BCS-theory) on the other hand. In addition, phase-space methods for many-body systems were also presented. Statistical physics was the main topic in the other lectures of the School; much emphasis was put on the statistical features of macros copic ("large") systems, the lectures dealt with mass and energy transport im polymers, in gels and in microemulsions, with aggregation and growth phenomena, with relaxation in complex, correlated systems, with conduction and optical properties of polymers, and with the means of describing disordered systems, above all fractals and related hierarchical models.
