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Correlations and Momentum Distribution in the Ground State of Liquid 3He

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Condensed Matter Theories

Abstract

A flexible variational wave function describing the ground state of liquid 3He is used to calculate the momentum distribution n(k) and the one-body density matrix ρ1(r) of the system. The trial wave function contains pair, triplet, backflow and spin-dependent correlations. The importance of the various correlations to determine n(k) has been explored and the results are compared to those available from variational and GFMC approaches and to the experimental data.

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Author information

Authors and Affiliations

  1. Department of Physics, University of Pisa and I.N.F.N., Piazza Torricelli 2, 56100, Pisa, Italy

    Sergio Rosati & Michele Viviani

  2. Department of Physics, University of Granada, 18003, Granada, Spain

    Enrique Buendia

Authors
  1. Sergio Rosati
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  2. Michele Viviani
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  3. Enrique Buendia
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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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Rosati, S., Viviani, M., Buendia, E. (1990). Correlations and Momentum Distribution in the Ground State of Liquid 3He. In: Aguilera-Navarro, V.C. (eds) Condensed Matter Theories. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0605-4_13

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  • DOI: https://doi.org/10.1007/978-1-4613-0605-4_13

  • 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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