Two fluid model: new aspects

We investigate general thermodynamic stability conditions for the superfluid. This analysis is performed in an extended space of thermodynamic variables containing (along with the usual thermodynamic coordinates such as pressure and temperature) superfluid velocity and momentum density. The stabilit...

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Published in:Physica. C, Superconductivity Superconductivity, 2004-05, Vol.404 (1), p.34-38
Main Authors: Andreev, A.F., Melnikovsky, L.A.
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Language:English
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description We investigate general thermodynamic stability conditions for the superfluid. This analysis is performed in an extended space of thermodynamic variables containing (along with the usual thermodynamic coordinates such as pressure and temperature) superfluid velocity and momentum density. The stability conditions lead to thermodynamic inequalities which replace the Landau superfluidity criterion at finite temperatures.
doi_str_mv 10.1016/j.physc.2003.09.112
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title Two fluid model: new aspects
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