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Physical Review

Existence of Zero Sound in a Fermi Liquid

N. David Mermin

Published Jul 5, 1967• 53 citations
Publisher

Abstract

Sufficient conditions are derived for ordinary and for spin zero sound to exist in a Fermi liquid. In a pure neutral Fermi liquid, one or the other of these conditions must hold.Received 2 February 1967DOI:https://doi.org/10.1103/PhysRev.159.161©1967 American Physical Society

DOI
10.1103/physrev.159.161

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Sufficient conditions are derived for ordinary and for spin zero sound to exist in a Fermi liquid. In a pure neutral Fermi liquid, one or the other of these conditions must hold.Received 2 February 1967DOI:https://doi.org/10.1103/PhysRev.159.161©1967 American Physical Society