Second sound in 3He.

McClintock, Peter V. E. (1981) Second sound in 3He. Nature, 290 (5805). pp. 359-360. ISSN 1476-4687

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Second sound is an unusual type of propagating wave mode, which can occur in superfluids, involving fluctuations in the local temperature and entropy of the medium rather than in the local density and pressure as found in a conventional sound wave. The phenomenon has been investigated, both experimentally and theoretically, in the common helium isotope, 4He, over many years; but its observation in 3He, whose ultra-low temperature superfluidity is still a relatively recent (1972) discovery, was reported for the first time by Corruccini and Osheroff only last year.

Item Type: Journal Article
Journal or Publication Title: Nature
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Departments: Faculty of Science and Technology > Physics
ID Code: 33048
Deposited By: Professor P. V. E. McClintock
Deposited On: 30 Apr 2010 14:20
Refereed?: No
Published?: Published
Last Modified: 30 Sep 2019 15:14

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