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Extended thermodynamics with eight fields: A possible approach to superfluidity. (English) Zbl 0835.76005

Summary: The limit of zero viscosity in extended thermodynamics with thirteen fields is singular and furnishes a system with eight fields losing the structure of balance laws. These difficulties give the reason for developing directly an extended thermodynamics with eight fields as possible new approach to the superfluidity.

MSC:

76A99 Foundations, constitutive equations, rheology, hydrodynamical models of non-fluid phenomena
82D50 Statistical mechanics of superfluids
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