Relativistic Many-Body Theory
| Autor: | Ingvar Lindgren |
|---|---|
| EAN: | 9781441983091 |
| eBook Format: | |
| Sprache: | Englisch |
| Produktart: | eBook |
| Veröffentlichungsdatum: | 30.04.2011 |
| Untertitel: | A New Field-Theoretical Approach |
| Kategorie: | |
| Schlagworte: | Bethe-Salpeter equation calculations in quantum electrodynamics many-body perturbation theory relativistic many-body theory |
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This book gives a comprehensive account of relativistic many-body perturbation theory, based upon field theory. After some introductory chapters about time-independent and time dependent many-body perturbation theory (MBPT), the standard techniques of S-matrix and Green's functions are reviewed. Next, the newly introduced covariant-evolution-operator method is described, which can be used, like the S-matrix method, for calculations in quantum electrodynamics (QED). Unlike the S-matrix method, this has a structure that is similar to that of MBPT and therefore can serve as basis for a unified theory. Such an approach is developed in the final chapters, and its equivalence to the Bethe-Salpeter equation is demonstrated. Possible applications are discussed and numerical illustrations given.
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