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Author: Maurice A. de Gosson
Publisher: Springer
ISBN: 3319279025
Category : Science
Languages : en
Pages : 226
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Book Description
This book presents a comprehensive mathematical study of the operators behind the Born–Jordan quantization scheme. The Schrödinger and Heisenberg pictures of quantum mechanics are equivalent only if the Born–Jordan scheme is used. Thus, Born–Jordan quantization provides the only physically consistent quantization scheme, as opposed to the Weyl quantization commonly used by physicists. In this book we develop Born–Jordan quantization from an operator-theoretical point of view, and analyze in depth the conceptual differences between the two schemes. We discuss various physically motivated approaches, in particular the Feynman-integral point of view. One important and intriguing feature of Born-Jordan quantization is that it is not one-to-one: there are infinitely many classical observables whose quantization is zero.
Author: Maurice A. de Gosson
Publisher: Springer
ISBN: 3319279025
Category : Science
Languages : en
Pages : 226
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Book Description
This book presents a comprehensive mathematical study of the operators behind the Born–Jordan quantization scheme. The Schrödinger and Heisenberg pictures of quantum mechanics are equivalent only if the Born–Jordan scheme is used. Thus, Born–Jordan quantization provides the only physically consistent quantization scheme, as opposed to the Weyl quantization commonly used by physicists. In this book we develop Born–Jordan quantization from an operator-theoretical point of view, and analyze in depth the conceptual differences between the two schemes. We discuss various physically motivated approaches, in particular the Feynman-integral point of view. One important and intriguing feature of Born-Jordan quantization is that it is not one-to-one: there are infinitely many classical observables whose quantization is zero.
Author: Herbert Capellmann
Publisher: Springer
ISBN: 3319618849
Category : Science
Languages : en
Pages : 98
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Book Description
This book traces the evolution of the ideas that eventually resulted in the elementary quantum theory in 1925/26. Further, it discusses the essential differences between the fundamental equations of Quantum Theory derived by Born and Jordan, logically comprising Quantum Mechanics and Quantum Optics, and the traditional view of the development of Quantum Mechanics. Drawing on original publications and letters written by the main protagonists of that time, it shows that Einstein’s contributions from 1905 to 1924 laid the essential foundations for the development of Quantum Theory. Einstein introduced quantization of the radiation field; Born added quantized mechanical behavior. In addition, Born recognized that Quantum Mechanics necessarily required Quantum Optics; his radical concept of truly discontinuous and statistical quantum transitions (“quantum leaps”) was directly based on Einstein’s physical concepts.
Author: Maurice A. de Gosson
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110722909
Category : Mathematics
Languages : en
Pages : 247
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Book Description
Quantum mechanics is arguably one of the most successful scientific theories ever and its applications to chemistry, optics, and information theory are innumerable. This book provides the reader with a rigorous treatment of the main mathematical tools from harmonic analysis which play an essential role in the modern formulation of quantum mechanics. This allows us at the same time to suggest some new ideas and methods, with a special focus on topics such as the Wigner phase space formalism and its applications to the theory of the density operator and its entanglement properties. This book can be used with profit by advanced undergraduate students in mathematics and physics, as well as by confirmed researchers.
Author: Elena Cordero
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 311053245X
Category : Mathematics
Languages : en
Pages : 458
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Book Description
This authoritative text studies pseudodifferential and Fourier integral operators in the framework of time-frequency analysis, providing an elementary approach, along with applications to almost diagonalization of such operators and to the sparsity of their Gabor representations. Moreover, Gabor frames and modulation spaces are employed to study dispersive equations such as the Schrödinger, wave, and heat equations and related Strichartz problems. The first part of the book is addressed to non-experts, presenting the basics of time-frequency analysis: short time Fourier transform, Wigner distribution and other representations, function spaces and frames theory, and it can be read independently as a short text-book on this topic from graduate and under-graduate students, or scholars in other disciplines.
Author: Mitsuo Taketani
Publisher: World Scientific
ISBN: 9789812810113
Category : Science
Languages : en
Pages : 350
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Book Description
This book analyzes the intricate logical process through which the quantum theory was developed, and shows that the quantum mechanics thus established is governed by stereo-structural logic . The method of analysis is based on Mituo Taketani''s three-stage theory of scientific cognition, which was presented and developed in close connection with Yukawa''s theory of the meson. According to the three-stage theory, scientific cognition proceeds through a series of coiling turns of the phenomenological, substantialistic and essentialistic stages. The old quantum mechanics is shown to be in a substantialistic stage, followed by the quantum mechanics in the corresponding essentialistic stage. Sample Chapter(s). Chapter 1.1: Themodynamical Investigation of Black Body Radiation (206 KB). Chapter 1.2: Atomistic Investigations of Black Body Radiation (257 KB). Chapter 1.3: Einstein''s Light Quantum (261 KB). Chapter 1.4: The Light Quantum and the Theory of Relativity (158 KB). Chapter 1.1: Diffculties seen from Statistical Heat Theory (281 KB). Chapter 1.2: Molecular Theoretical Significance of the Planck Theory (236 KB). Chapter 1.3: Conflict between the Wave and Particle Natures (235 KB). Chapter 1.1: Heisenbergs Quantum Condition (307 KB). Chapter 1.2: Born-Jordan''s Formulation with Matrices (361 KB). Chapter 1.3: Dirac''s Formulation by Quantum Algebra (299 KB). Chapter 1.4: Attempts at the Interpretation of Matrix Mechanics (272 KB). Contents: Volume I: Quantum of Radiation; The Formation of Atomic Models; Volume II: Difficulties in Radiation Theory; The Quantum of Action and Atomic Models; The Quantum Condition, Transition Probability and Correspondence Principle; Theory of Atomic Structure and Spin of Electron; The Interconnection of Wave- and Particle-Natures; Volume III: The Proposal and Formulation of Matrix Mechanics; From the Proposal of Wave Mechanics to Quantum Mechanics; The Establishment of Quantum Mechanics; The Logic of Quantum Mechanics. Readership: Undergraduates and researchers in quantum and theoretical physics.
Author: Maurice A De Gosson
Publisher: World Scientific
ISBN: 1786344165
Category : Science
Languages : en
Pages : 306
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Book Description
The emergence of quantum mechanics from classical world mechanics is now a well-established theme in mathematical physics. This book demonstrates that quantum mechanics can indeed be viewed as a refinement of Hamiltonian mechanics, and builds on the work of George Mackey in relation to their mathematical foundations. Additionally when looking at the differences with classical mechanics, quantum mechanics crucially depends on the value of Planck's constant h. Recent cosmological observations tend to indicate that not only the fine structure constant α but also h might have varied in both time and space since the Big Bang. We explore the mathematical and physical consequences of a variation of h; surprisingly we see that a decrease of h leads to transitions from the quantum to the classical.Emergence of the Quantum from the Classical provides help to undergraduate and graduate students of mathematics, physics and quantum theory looking to advance into research in the field.
Author: Masayuki Nagasaki
Publisher: World Scientific
ISBN: 9814491187
Category : Science
Languages : en
Pages : 915
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Book Description
This book analyzes the intricate logical process through which the quantum theory was developed, and shows that the quantum mechanics thus established is governed by stereo-structural logic. The method of analysis is based on Mituo Taketani's three-stage theory of scientific cognition, which was presented and developed in close connection with Yukawa's theory of the meson. According to the three-stage theory, scientific cognition proceeds through a series of coiling turns of the phenomenological, substantialistic and essentialistic stages. The old quantum mechanics is shown to be in a substantialistic stage, followed by the quantum mechanics in the corresponding essentialistic stage./a
Author: David A. Dixon
Publisher: Elsevier
ISBN: 0128206950
Category : Science
Languages : en
Pages : 200
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Book Description
Annual Reports in Computational Chemistry, Volume 16, provides timely and critical reviews of important topics in computational chemistry. Topics covered in this series include quantum chemistry, molecular mechanics, force fields, chemical education, and applications in academic and industrial settings. Focusing on the most recent literature and advances in the field, each article covers a specific topic of importance to computational chemists. - Includes timely discussions on quantum chemistry and molecular mechanics - Covers force fields, chemical education, and more - Presents the latest in chemical education and applications in both academic and industrial settings
Author: Jagdish Mehra
Publisher: Springer Science & Business Media
ISBN: 9780387989716
Category : Computers
Languages : en
Pages : 720
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Book Description
Quantum Theory, together with the principles of special and general relativity, constitute a scientific revolution that has profoundly influenced the way in which we think about the universe and the fundamental forces that govern it. The Historical Development of Quantum Theory is a definitive historical study of that scientific work and the human struggles that accompanied it from the beginning. Drawing upon such materials as the resources of the Archives for the History of Quantum Physics, the Niels Bohr Archives, and the archives and scientific correspondence of the principal quantum physicists, as well as Jagdish Mehra's personal discussions over many years with most of the architects of quantum theory, the authors have written a rigorous scientific history of quantum theory in a deeply human context. This multivolume work presents a rich account of an intellectual triumph: a unique analysis of the creative scientific process. The Historical Development of Quantum Theory is science, history, and biography, all wrapped in the story of a great human enterprise. Its lessons will be an aid to those working in the sciences and humanities alike.
Author: Jan Walleczek
Publisher: MDPI
ISBN: 3038976164
Category : Science
Languages : en
Pages : 544
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Book Description
Emergent quantum mechanics explores the possibility of an ontology for quantum mechanics. The resurgence of interest in "deeper-level" theories for quantum phenomena challenges the standard, textbook interpretation. The book presents expert views that critically evaluate the significance—for 21st century physics—of ontological quantum mechanics, an approach that David Bohm helped pioneer. The possibility of a deterministic quantum theory was first introduced with the original de Broglie-Bohm theory, which has also been developed as Bohmian mechanics. The wide range of perspectives that were contributed to this book on the occasion of David Bohm’s centennial celebration provide ample evidence for the physical consistency of ontological quantum mechanics. The book addresses deeper-level questions such as the following: Is reality intrinsically random or fundamentally interconnected? Is the universe local or nonlocal? Might a radically new conception of reality include a form of quantum causality or quantum ontology? What is the role of the experimenter agent? As the book demonstrates, the advancement of ‘quantum ontology’—as a scientific concept—marks a clear break with classical reality. The search for quantum reality entails unconventional causal structures and non-classical ontology, which can be fully consistent with the known record of quantum observations in the laboratory.
