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Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems
Rudolf Haussmann
出版Springer Science & Business Media, 2003-07-01
主題Science / Physics / Condensed MatterScience / Physics / Mathematical & ComputationalScience / Physics / GeneralScience / Physics / Atomic & Molecular
ISBN35404893639783540489368
URLhttp://books.google.com.hk/books?id=FZsRBwAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋This research monograph offers an introduction to advanced quantum field theoretical techniques for many-particle systems beyond perturbation theory. Several schemes for resummation of the Feynman diagrams are described. The resulting approximations are especially well suited for strongly correlated fermion and boson systems.
Also considered is the crossover from BCS superconductivity to Bose--Einstein condensation in fermion systems with strong attractive interaction. In particular, a field theoretic formulation of "bosonization" is presented; it is published here for the first time. This method is applied to the fractional quantum Hall effect, to the Coulomb plasma, and to several exactly solvable models.