Articles with "vacuum boundary" as a keyword



The linearized Israel–Stewart equations with a physical vacuum boundary

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Published in 2025 at "Letters in Mathematical Physics"

DOI: 10.1007/s11005-025-01931-2

Abstract: In this article, we consider the Israel–Stewart equations of relativistic viscous fluid dynamics with bulk viscosity. We investigate the evolution of the equations linearized about solutions that satisfy the physical vacuum boundary condition and establish… read more here.

Keywords: israel stewart; stewart equations; linearized israel; vacuum boundary ... See more keywords
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On the axisymmetric metric generated by a rotating perfect fluid with the vacuum boundary

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Published in 2020 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/abfed3

Abstract: We consider the equations for the coefficients of stationary rotating axisymmetric metrics governed by the Einstein–Euler equations, that is, the Einstein equations together with the energy–momentum tensor of a barotropic perfect fluid. Although the reduced… read more here.

Keywords: metric generated; system; perfect fluid; vacuum boundary ... See more keywords