NONLINEAR EVOLUTION OF LARGE-AMPLITUDE 2ND SOUND AT TEMPERATURES NEART-LAMBDA

Authors
KRYSAC LC GRAHAM GM
Citation
Lc. Krysac et Gm. Graham, NONLINEAR EVOLUTION OF LARGE-AMPLITUDE 2ND SOUND AT TEMPERATURES NEART-LAMBDA, Physica. B, Condensed matter, 194, 1994, pp. 735-736
Citations number
10
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
194
Year of publication
1994
Part
1
Pages
735 - 736
Database
ISI
SICI code
0921-4526(1994)194:<735:NEOL2S>2.0.ZU;2-3
Abstract
Khalatnikov's1 nonlinear wave steepening coefficient epsilon(T) has be en measured nearer to T(lambda) than has been previously reported by o bserving the evolution of large amplitude second sound. Both positive and negative temperature excursions have been observed between 1.88K a nd T(lambda) (the nonclassical wave steepening regime) where epsilon i s negative.