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Title:	Thermal nucleation of cavities in liquid helium at negative pressures
Author:	Guilleumas, Montserrat; Pi Pericay, Martí; Barranco Gómez, Manuel; Navarro Faus, Jesús; Solís, M. A.
Other authors:	Universitat de Barcelona
Abstract:	We have investigated the nucleation rate at which cavities are formed in 4He and 3He at negative pressures due to thermal fluctuations. To this end, we have used a density functional that reproduces the He liquid-gas interface along the coexistence line. The inclusion of thermal effects in the calculation of the barrier against nucleation results in a sizable decrease of the absolute value of the tensile strength above 1.5 K.
Subject(s):	-Cavitació -Heli líquid -Temperatures baixes -Fluctuacions (Física) -Cavitation -Liquid helium -Low temperatures -Fluctuations (Physics)
Rights:	(c) The American Physical Society, 1993
Document type:	Article Article - Published version
Published by:	The American Physical Society
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