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Condensed Matter Theories pp 133–139Cite as

The Normal Phase of a Correlated Bose Fluid

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Abstract

The variational density-matrix approach for describing the statistical mechanics of strongly correlated bosons is extended to a treatment of the normal-fluid phase at elevated temperatures. The microscopic formalism is based on an appropriate class of density matrices and employs the Gibbs-Delbrück-Molière minimum principle for the Helmholtz free energy. The model exhibits a Bose-Einstein transition to a bosonic phase with nonzero condensate at sufficiently low temperatures.

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Author information

Authors and Affiliations

  1. Institut für Theoretische Physik, der Universität zu Köln, D-5000, Köln 41, West-Germany

    G. Senger & M. L. Ristig

Authors
  1. G. Senger
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  2. M. L. Ristig
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Editor information

Editors and Affiliations

  1. Instituto de Física Teórica, UNESP, Rua Pamplona 145, 01405, São Paulo, SP, Brazil

    V. C. Aguilera-Navarro

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© 1990 Plenum Press, New York

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Senger, G., Ristig, M.L. (1990). The Normal Phase of a Correlated Bose Fluid. In: Aguilera-Navarro, V.C. (eds) Condensed Matter Theories. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0605-4_15

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  • DOI: https://doi.org/10.1007/978-1-4613-0605-4_15

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-7888-7

  • Online ISBN: 978-1-4613-0605-4

  • eBook Packages: Springer Book Archive

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