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Published June 1974 | Published
Journal Article Open

Comment on some proposed mechanisms for attenuation of third sound

Abstract

Two explanations have been proposed for an apparent discrepancy between theoretical prediction and experimental measurement of third-sound attenuation. One of these proposes a new "macroscopic quantum uncertainly principle," and the other proceeds via nonlinear, anharmonic effects due to zero-point fluctuations. We argue that neither suggestion is acceptable.

Additional Information

©1974 The American Physical Society. Received 25 May 1973. This work was supported in part by grants from the National Science Foundation, and one from the Research Corporation (DLG).

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