Phys. Rev. Lett. 52, 2257–2260 (1984)Surface Effects on Particle Self-EnergiesReceived 16 April 1984; published in the issue dated 18 June 1984 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. © 1984 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.52.2257
DOI:
10.1103/PhysRevLett.52.2257
PACS:
67.50.-b, 05.30.Fk, 21.60.Jz
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