Many-Body Operator Green Functions

  • Jonas Fransson
Part of the Lecture Notes in Physics book series (LNP, volume 809)


The formalism is extended to propagators, Green functions, in equilibrium and non-equilibrium. The contoured ordered Green functions, used in non-equilibrium, are introduced and we discuss the analytical continuation to real time correlation functions.


Green Function Diagrammatic Expansion Hubbard Operator Lower Contour Time Contour 
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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Jonas Fransson
    • 1
  1. 1.Dept. PhysicsUppsala UniversityUppsalaSweden

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