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      Parquet theory for correlated thermodynamic Greens functions

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          Abstract

          We address the problem of finding self-consistent parquet equations for two-body correlated Greens functions that arise out of a cumulant expansion. The general theory as developed for non-relativistic electron systems reproduces the conventional two-body parquet diagrammatic technique for the vertex functions. As an application, the crossing-invariant linearized basic parquet equations are treated for the correlated two-particle Greens function.

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          Author and article information

          Journal
          09 November 2009
          Article
          10.1143/PTP.123.327
          0911.1668
          e6663ac7-759f-4ee0-a342-34c83027f729

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          Custom metadata
          Prog. Theor. Phys. 123 (2010), 327-337
          10 pges, 1 figure
          cond-mat.stat-mech cond-mat.quant-gas

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