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Thermal nucleation of cavities in liquid helium at negative pressures

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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.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.47.9116

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Thermal nucleation of cavities in liquid helium at negative pressures