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Two-perfect fluid interpretation of an energy tensor

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Abstract

The paper contains the necessary and sufficient conditions for a given energy tensor to be interpreted as a sum of two perfect fluids. Given a tensor of this class, the decomposition in two perfect fluids (which is determined up to a couple of real functions) is obtained.

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Authors and Affiliations

  1. Departament de Física Teòrica, Universitat de Valéncia, 46100, Burjassot, València, Spain

    Joan Josep Ferrando, Juan Antonio Morales & Miquel Portilla

Authors
  1. Joan Josep Ferrando
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  2. Juan Antonio Morales
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  3. Miquel Portilla
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Ferrando, J.J., Morales, J.A. & Portilla, M. Two-perfect fluid interpretation of an energy tensor. Gen Relat Gravit 22, 1021–1032 (1990). https://doi.org/10.1007/BF00757813

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  • DOI: https://doi.org/10.1007/BF00757813

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