The Flow Equation Approach to Many-Particle Systems [electronic resource] / by Stefan Kehrein.
Tipo de material: TextoSeries Springer Tracts in Modern Physics ; 217 | Springer Tracts in Modern Physics ; 217Editor: Berlin, Heidelberg : Springer Berlin Heidelberg, 2006Descripción: XII, 172 p. online resourceTipo de contenido:- text
- computer
- online resource
- 9783540340683
- SpringerLink (Online service)
- 530.41 23
- Libro electrónico
Transformation of the Hamiltonian -- Evaluation of Observables -- Interacting Many-Body Systems -- Modern Developments.
This self-contained monograph addresses the flow equation approach to many-particle systems. The flow equation approach consists of a sequence of infinitesimal unitary transformations and is conceptually similar to renormalization and scaling methods. Flow equations provide a framework for analyzing Hamiltonian systems where these conventional many-body techniques fail. The text first discusses the general ideas and concepts of the flow equation method. In a second part these concepts are illustrated with various applications in condensed matter theory including strong-coupling problems and non-equilibrium systems. The monograph is accessible to readers familiar with graduate- level solid-state theory.
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