Spectral Analysis of N-Body Schrödinger Operators at Two-Cluster Thresholds

Language: English

Published by Springer, Springer Nature Singapore Jul 2025, 2025

9819726263 / 9789819726264

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This item is printed on demand - Print on Demand Titel. Neuware -This book provides a systematic study of spectral and scattering theory for many-body Schrödinger operators at two-cluster thresholds. While the two-body problem (reduced after separation of the centre of mass motion to a one-body problem at zero energy) is a well-studied subject, the literature on many-body threshold problems is sparse. However, the authors' analysis covers for example the system of three particles interacting by Coulomb potentials and restricted to a small energy region to the right of a fixed nonzero two-body eigenvalue. In general, the authors address the question: How do scattering quantities for the many-body atomic and molecular models behave within the limit when the total energy approaches a fixed two-cluster threshold This includes mapping properties and singularities of the limiting scattering matrix, asymptotics of the total scattering cross section, and absence of transmission from one channel to another in the small inter-cluster kinetic energy region. The authors' principal tools are the Feshbach-Grushin dimension reduction method and spectral analysis based on a certain Mourre estimate. Additional topics of independent interest are the limiting absorption principle, micro-local resolvent estimates, Rellich- and Sommerfeld-type theorems and asymptotics of the limiting resolvents at thresholds. The mathematical physics field under study is very rich, and there are many open problems, several of them stated explicitly in the book for the interested reader.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 268 pp. Englisch.…

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Title
Spectral Analysis of N-Body Schrödinger Operators at Two-Cluster Thresholds
Author
Erik Skibsted
Publisher
Springer, Springer Nature Singapore Jul 2025
Publication year
2025
Condition
Neu
Binding
Taschenbuch
Language
English
ISBN 10
9819726263
ISBN 13
9789819726264
Item weight
411 grams
Dimensions
235x155x15 mm

buchversandmimpf2000

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