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Telecommunications and Radio Engineering
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ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v56.i2.50
7 pages

Symmetry of Equilibrium State and Hydrodynamics Equation of a Superfluid Fermi-liquid

Mikhail Yurievich Kovalevsky
Cand. Sci. (Math.-Phys.), NSC Physical & Technical Institute
Alexander Alimovich Rozhkov
Cand. Sci. (Math.-Phys.), Scientific Center for Physical Technologies


Three kinds of quantum liquids are considered. Order parameter operators are written for two quantum liquids (where spontaneous breaking of symmetry takes place), and its commutation properties are considered. Symmetry properties of the equilibrium state are noted and expressions of order parameters of operator means in the equilibrium state are obtained. Expressions of basic thermodynamical relations in terms of the local equilibrium of thermodynamical potential are obtained. Nondissipative hydrodynamics equations are derived for all three liquids. The relationship connecting the densities of fluxes of additive motion integrals is obtained in the local equilibrium state.

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