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Dynamics of helium films

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Abstract

We present quantitative calculations for the static structure and the dynamics of quantum liquid films on a translationally invariant substrate. The excitation spectrum is calculated by solving the equations of motion for time-dependent one- and two-body densities. We find significant corrections to the Feynman spectrum for the phonon-like collective excitations.

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Authors and Affiliations

  1. Center for Theoretical Physics and Department of Physics, Texas A&M University, 77843, College Station, TX, USA

    B. E. Clements, J. L. Epstein, E. Krotscheck & C. J. Tymczak

  2. Department of Theoretical Physics, University of Oulu, SF-90570, Oulu, Finland

    M. Saarela

Authors
  1. B. E. Clements
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  2. J. L. Epstein
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  3. E. Krotscheck
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  4. M. Saarela
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  5. C. J. Tymczak
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Clements, B.E., Epstein, J.L., Krotscheck, E. et al. Dynamics of helium films. J Low Temp Phys 89, 585–588 (1992). https://doi.org/10.1007/BF00694093

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  • DOI: https://doi.org/10.1007/BF00694093

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