Many-body Schrödinger equation : scattering theory and eigenfunction expansions
著者
書誌事項
Many-body Schrödinger equation : scattering theory and eigenfunction expansions
（Mathematical physics studies）
Springer, c2023
- タイトル別名
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Many-body Schrödinger equation
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注記
Original ed. published: 2004
Includes bibliographical references and index
内容説明・目次
内容説明
Spectral properties for Schroedinger operators are a major concern in quantum mechanics both in physics and in mathematics. For the few-particle systems, we now have sufficient knowledge for two-body systems, although much less is known about N-body systems. The asymptotic completeness of time-dependent wave operators was proved in the 1980s and was a landmark in the study of the N-body problem. However, many problems are left open for the stationary N-particle equation. Due to the recent rapid development of computer power, it is now possible to compute the three-body scattering problem numerically, in which the stationary formulation of scattering is used. This means that the stationary theory for N-body Schroedinger operators remains an important problem of quantum mechanics. It is stressed here that for the three-body problem, we have a satisfactory stationary theory. This book is devoted to the mathematical aspects of the N-body problem from both the time-dependent and stationary viewpoints. The main themes are:(1) The Mourre theory for the resolvent of self-adjoint operators(2) Two-body Schroedinger operators-Time-dependent approach and stationary approach(3) Time-dependent approach to N-body Schroedinger operators(4) Eigenfunction expansion theory for three-body Schroedinger operatorsCompared with existing books for the many-body problem, the salient feature of this book consists in the stationary scattering theory (4). The eigenfunction expansion theorem is the physical basis of Schroedinger operators. Recently, it proved to be the basis of inverse problems of quantum scattering. This book provides necessary background information to understand the physical and mathematical basis of Schroedinger operators and standard knowledge for future development.
目次
Self-Adjoint Operators and Spectra.- Two-Body Problem.- Asymptotic Completeness for Many-Body Systems.- Resolvent of Multi-Particle System.- Three-Body Problem and the Eigenfunction Expansion.- Supplement.
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