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Resonance

, Volume 4, Issue 6, pp 15–19 | Cite as

Second sound

2. The role of elastic waves
  • R. Srinivasan
General Article

Abstract

In Part 11 we describe the propagation of temperature and entropy as waves superfluids emphasizing the experimental demonstration of their existence. Here we dwell upon a microscopic view of these waves and point out that they can exist even in crystals at low temperatures.

Keywords

Dispersion Curve Sound Wave Collective Excitation Temperature Wave Superfluid Helium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Suggested reading

  1. [1]
    D R Tilley and J Tilley, Superfluidity and Superconductivity, Chapter 3, Third Edition, Adam Hilger, Boston and NewYork, 1990.Google Scholar
  2. [2]
    J Wilks, Properties of Liquid and Solid Helium, Clarendon Press, Oxford, Chapter 6, 1996.Google Scholar
  3. [3]
    Zygmnnt M Galasecwicz, Helium 4, Pergamon Press, Paper E12, page 166, 1971.Google Scholar

Copyright information

© Indian Academy of Sciences 1999

Authors and Affiliations

  • R. Srinivasan
    • 1
  1. 1.Raman Research InstituteC V Raman Avenue SadashivanagarBangaloreIndia

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