Finite-size Berezinskii-Kosterlitz-Thouless transition at grain boundaries in solid He-4 and the role of He-3 impurities

Autor: Sergio Gaudio (1,2), Emmanuele Cappelluti (1,2), Gianluca Rastelli (3), Luciano Pietronero (1,2)

Publikováno v: Physical review letters
info:cnr-pdr/source/autori:Sergio Gaudio (1,2); Emmanuele Cappelluti (1,2); Gianluca Rastelli (3); Luciano Pietronero (1,2)/titolo:Finite-size Berezinskii-Kosterlitz-Thouless transition at grain boundaries in solid He-4 and the role of He-3 impurities/doi:10.1103%2FPhysRevLett.101.075301/rivista:Physical review letters (Print)/anno:2008/pagina_da:075301/pagina_a:/intervallo_pagine:075301/volume:101

We analyze the complex phenomenology of the nonclassical rotational inertia (NCRI) observed at low temperature in solid He-4 within the context of a two-dimensional Berezinskii-Kosterlitz-Thouless transition in a premelted He-4 film at the grain boun

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http://www.cnr.it/prodotto/i/2935