Particle-hole symmetry violation in normal liquid He3

R. S. Fishman and J. A. Sauls
Phys. Rev. B 31, 251 – Published 1 January 1985
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Abstract

We study the effects of the particle-hole asymmetry terms contained in the Landau-Silin equations on the collective modes of normal He3. We find that there are no frequency shifts, first order in particle-hole asymmetry terms, of either the zero sound mode or the spin wave modes of normal He3. Propagating spin waves cannot be excited by zero sound; but, because of particle-hole asymmetry, zero sound can drive small magnetic oscillations with frequencies (ω zero sound±ΩLarmor) in the combined pulsed-NMR and zero sound experiment proposed by Ketterson.

  • Received 16 July 1984

DOI:https://doi.org/10.1103/PhysRevB.31.251

©1985 American Physical Society

Authors & Affiliations

R. S. Fishman and J. A. Sauls

  • Joseph Henry Laboratories of Physics, Jadwin Hall, Princeton University, Princeton, New Jersey 08544 and Low Temperature Laboratory, Helsinki University of Technology, SF-02150 Espoo 15, Finland

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Vol. 31, Iss. 1 — 1 January 1985

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