Second Sound in NaF

Howard E. Jackson, Charles T. Walker, and Thomas F. McNelly
Phys. Rev. Lett. 25, 26 – Published 6 July 1970
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Abstract

Propagation of heat pulses in NaF has been studied to higher temperatures in a purer crystal than studied by McNelly et al. At the highest temperatures the second-sound velocity fails to level off at the theoretically predicted limiting value.

  • Received 27 April 1970

DOI:https://doi.org/10.1103/PhysRevLett.25.26

©1970 American Physical Society

Authors & Affiliations

Howard E. Jackson and Charles T. Walker

  • Department of Physics, Northwestern University, Evanston, Illinois 60201

Thomas F. McNelly

  • Department of Physics, Cornell University, Ithaca, New York 14850

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Issue

Vol. 25, Iss. 1 — 6 July 1970

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