Surface Specific Heat of He3 and Andreev Bound States
H. Choi, J. P. Davis, J. Pollanen, W. P. Halperin
DOI 10.1103/PhysRevLett.96.125301 · Physical Review Letters
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Abstract
High resolution measurements of the specific heat of liquid He3 in the presence of a silver surface have been performed at temperatures near the superfluid transition in the pressure range of 1–29 bar. The surface contribution to the heat capacity is identified with Andreev bound states of He3 quasiparticles that have a range of half a coherence length.
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