Many-Body Schrödinger Equation (eBook)

Scattering Theory and Eigenfunction Expansions

Hiroshi Isozaki (Autor)

eBook Download: PDF

2023 | 2023
XVII, 399 Seiten
Springer Nature Singapore (Verlag)
978-981-99-3704-2 (ISBN)

Infos

Spectral properties for Schrödinger 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 Schrödinger 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 Schrödinger operators-Time-dependent approach and stationary approach

(3) Time-dependent approach to N-body Schrödinger operators

(4) Eigenfunction expansion theory for three-body Schrödinger operators

Compared 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 Schrödinger 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 Schrödinger operators and standard knowledge for future development. 

---

Spectral properties for Schrodinger 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 Schrodinger 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 Schrodinger operators-Time-dependent approach and stationary approach(3) Time-dependent approach to N-body Schrodinger operators(4) Eigenfunction expansion theory for three-body Schrodinger 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 Schrodinger 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 Schrodinger operators and standard knowledge for future development. 

Produkt-Details

• Erscheint lt. Verlag: 27.7.2023
• Reihe/Serie: Mathematical Physics Studies
• Reihe/Serie: Mathematical Physics Studies
• Zusatzinfo: XVII, 399 p. 10 illus.
• Sprache: englisch
• Themenwelt: Mathematik / Informatik ► Mathematik ► Analysis
• Themenwelt: Naturwissenschaften ► Physik / Astronomie ► Quantenphysik
• Themenwelt: Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik
• Schlagworte: Algebra of commutators • asymptotic completeness • Eigenfunction expansion theory • Mourre theory • radiation condition
• ISBN-10: 981-99-3704-3 / 9819937043
• ISBN-13: 978-981-99-3704-2 / 9789819937042