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A brief introduction to dispersion r...
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Oller, Jose Antonio.
A brief introduction to dispersion relationswith modern applications /
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
A brief introduction to dispersion relationsby Jose Antonio Oller.
其他題名:
with modern applications /
作者:
Oller, Jose Antonio.
出版者:
Cham :Springer International Publishing :2019.
面頁冊數:
viii, 141 p. :ill. (some col.), digital ;24 cm.
Contained By:
Springer eBooks
標題:
Dispersion relations.
電子資源:
https://doi.org/10.1007/978-3-030-13582-9
ISBN:
9783030135829$q(electronic bk.)
A brief introduction to dispersion relationswith modern applications /
Oller, Jose Antonio.
A brief introduction to dispersion relations
with modern applications /[electronic resource] :by Jose Antonio Oller. - Cham :Springer International Publishing :2019. - viii, 141 p. :ill. (some col.), digital ;24 cm. - SpringerBriefs in physics,2191-5423. - SpringerBriefs in physics..
Preface -- Basics on dispersion relations -- Two-body scattering amplitudes with applications -- Final-state interactions with applications.
This text offers a brief introduction to the dispersion relations as an approach to calculate S-matrix elements, a formalism that allows one to take advantage of the analytical structure of scattering amplitudes following the basic principles of unitarity and causality. First, the case of two-body scattering is considered and then its contribution to other processes through final-state interactions is discussed. For two-body scattering amplitudes, the general expression for a partial-wave amplitude is derived in the approximation where the crossed channel dynamics is neglected. This is taken as the starting point for many interesting nonperturbative applications, both in the light and heavy quark sector. Subsequently crossed channel dynamics is introduced within the equations for calculating the partial-wave amplitudes. Some applications based on methods that treat crossed-channel dynamics perturbatively are discussed too. The last part of this introductory treatment is dedicated to the further impact of scattering amplitudes on a variety of processes through final-state interactions. Several possible approaches are discussed such as the Muskhelishvili-Omnes dispersive integral equations and other closed formulae. These different formalisms are then applied in particular to the study of resonances presenting a number of challenging properties. The book ends with a chapter illustrating the use of dispersion relations in the nuclear medium for the evaluation of the energy density in nuclear matter.
ISBN: 9783030135829$q(electronic bk.)
Standard No.: 10.1007/978-3-030-13582-9doiSubjects--Topical Terms:
661829
Dispersion relations.
LC Class. No.: QC794
Dewey Class. No.: 539.75
A brief introduction to dispersion relationswith modern applications /
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