Parquet Theory for Correlated Thermodynamic Greens Functions(Condensed Matter Physics)

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概要

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• 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. It is pointed out that besides the Cooperon there are two additional prominent crossing-symmetric two-particle channels in many-particle systems with pair interaction.

• 2010-02-25

著者

• KLEINERT Peter

  Paul-Drude Institut fur Festkorperelektronik

関連論文

• Parquet Theory for Correlated Thermodynamic Greens Functions(Condensed Matter Physics)

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