Surface Effects on Particle Self-Energies

Phys. Rev. Lett. 52, 2257 – Published 18 June 1984
H. Esbensen and G. F. Bertsch

Abstract

The self-energy of a particle has a nearly singular behavior at a free surface of a Fermi liquid, as a result of the coupling to surface excitations. The imaginary part has a linear dependence on energy near the Fermi energy, whereas the effective mass shows a logarithmic divergence. The self-energy is calculated in semi-infinite nuclear matter with use of interactions constrained by self-consistency; the predictions are in qualitative agreement with experiment and more elaborate calculations for finite nuclei.

DOI: http://dx.doi.org/10.1103/PhysRevLett.52.2257

  • Received 16 April 1984
  • Published in the issue dated 18 June 1984

© 1984 The American Physical Society

Authors & Affiliations

H. Esbensen and G. F. Bertsch

  • National Superconducting Cyclotron Laboratory and Department of Physics-Astronomy, Michigan State University, East Lansing, Michigan 48824

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