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Spectral analysis of N-body schrödi...

Skibsted, Erik.

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Spectral analysis of N-body schrödinger operators at two-cluster thresholds

Record Type:	Electronic resources : Monograph/item
Title/Author:	Spectral analysis of N-body schrödinger operators at two-cluster thresholds/ by Erik Skibsted, Xue Ping Wang.
Author:	Skibsted, Erik.
other author:	Wang, Xue Ping.
Published:	Singapore :Springer Nature Singapore : : 2024.,
Description:	ix, 258 p. :ill., digital ;24 cm.
[NT 15003449]:	Introduction -- Many-Body Schrödinger Operators, Conditions and Notation -- Reduction to a One-Body Problem -- Spectral Analysis of H0 near 0 -- Rellich-Type Theorems -- Resolvent Asymptotics near a Two-Cluster Threshold -- Elastic Scattering at a Threshold -- Non-Transmission at a Threshold for Physical Models -- Threshold Behaviour of Cross-Sections in Atom-Ion Scattering.
Contained By:	Springer Nature eBook
Subject:	Schrödinger operator. -
Online resource:	https://doi.org/10.1007/978-981-97-2624-0
ISBN:	9789819726240

Spectral analysis of N-body schrödinger operators at two-cluster thresholds
Skibsted, Erik.

Spectral analysis of N-body schrödinger operators at two-cluster thresholds[electronic resource] /by Erik Skibsted, Xue Ping Wang. - Singapore :Springer Nature Singapore :2024. - ix, 258 p. :ill., digital ;24 cm. - Mathematical physics studies,2352-3905. - Mathematical physics studies..

Introduction -- Many-Body Schrödinger Operators, Conditions and Notation -- Reduction to a One-Body Problem -- Spectral Analysis of H0 near 0 -- Rellich-Type Theorems -- Resolvent Asymptotics near a Two-Cluster Threshold -- Elastic Scattering at a Threshold -- Non-Transmission at a Threshold for Physical Models -- Threshold Behaviour of Cross-Sections in Atom-Ion Scattering.

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.

ISBN: 9789819726240

Standard No.: 10.1007/978-981-97-2624-0doiSubjects--Topical Terms:

3414432
Schrödinger operator.

LC Class. No.: QC174.17.S3

Dewey Class. No.: 530.124

Spectral analysis of N-body schrödinger operators at two-cluster thresholds
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245 1 0 $a Spectral analysis of N-body schrödinger operators at two-cluster thresholds $h [electronic resource] / $c by Erik Skibsted, Xue Ping Wang.
260 $a Singapore : $b Springer Nature Singapore : $b Imprint: Springer, $c 2024.
300 $a ix, 258 p. : $b ill., digital ; $c 24 cm.
490 1 $a Mathematical physics studies, $x 2352-3905
505 0 $a Introduction -- Many-Body Schrödinger Operators, Conditions and Notation -- Reduction to a One-Body Problem -- Spectral Analysis of H0 near 0 -- Rellich-Type Theorems -- Resolvent Asymptotics near a Two-Cluster Threshold -- Elastic Scattering at a Threshold -- Non-Transmission at a Threshold for Physical Models -- Threshold Behaviour of Cross-Sections in Atom-Ion Scattering.
520 $a 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.
650 0 $a Schrödinger operator. $3 3414432
650 1 4 $a Mathematical Physics. $3 1542352
650 2 4 $a Functional Analysis. $3 893943
650 2 4 $a Theoretical, Mathematical and Computational Physics. $3 1066859
700 1 $a Wang, Xue Ping. $3 3723404
710 2 $a SpringerLink (Online service) $3 836513
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830 0 $a Mathematical physics studies. $3 2072974
856 4 0 $u https://doi.org/10.1007/978-981-97-2624-0
950 $a Physics and Astronomy (SpringerNature-11651)