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Elastic Stars in General Relativity: I. Foundations and Equilibrium Models

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arxiv gr-qc/0211026 v2 pith:6CFTPDNX submitted 2002-11-07 gr-qc

Max Karlovini , Lars Samuelsson This is my paper · ORCID
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keywords elastictheorygeneralmattermodelsrelativitytensoralong
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The aim of this paper is twofold. First, we set up the theory of elastic matter sources within the framework of general relativity in a self-contained manner. The discussion is primarily based on the presentation of Carter and Quintana but also includes new methods and results as well as some modifications that in our opinion make the theory more modern and transparent. For instance, the equations of motion for the matter are shown to take a neat form when expressed in terms of the relativistic Hadamard elasticity tensor. Using this formulation we obtain simple formulae for the speeds of elastic wave propagation along eigendirections of the pressure tensor. Secondly, we apply the theory to static spherically symmetric configurations using a specific equation of state and consider models either having an elastic crust or core.

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Cited by 3 Pith papers

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