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A functional method for condensed systems

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Zeitschrift für Physik

Abstract

Schwingers functional method is applied to the Green functions of the many body problem. By including the “anomalous” Green functions introduced by Gorkov, a formalism results which permits in a natural way the treatment of systems showing “superfluid” properties (“condensed” systems).

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Authors and Affiliations

  1. University of California, San Diego, La Jolla, California

    W. Brenig & H. Wagner

  2. Technische Hochschule, München

    W. Brenig & H. Wagner

Authors
  1. W. Brenig
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  2. H. Wagner
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Additional information

On leave of absence from Max-Planck-Institut für Physik and Technische Hochschule München.

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Brenig, W., Wagner, H. A functional method for condensed systems. Z. Physik 173, 484–489 (1963). https://doi.org/10.1007/BF01388010

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  • DOI: https://doi.org/10.1007/BF01388010

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