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Excluded-volume approximation for supernova matter

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Abstract

A general scheme of the excluded-volume approximation as applied to multicomponent systems with an arbitrary degree of degeneracy has been developed. This scheme also admits an allowance for additional interactions between the components of a system. A specific form of the excluded-volume approximation for investigating supernova matter at subnuclear densities has been found from comparison with the hard-sphere model. The possibility of describing the phase transition to uniform nuclear matter in terms of the formalism under consideration is discussed.

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Authors and Affiliations

  1. Institute for Theoretical and Experimental Physics, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117259, Russia

    A. V. Yudin

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  1. A. V. Yudin
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Correspondence to A. V. Yudin.

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Original Russian Text © A.V. Yudin, 2011, published in Pis’ma v Astronomicheskiĭ Zhurnal, 2011, Vol. 37, No. 8, pp. 628–640.

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Yudin, A.V. Excluded-volume approximation for supernova matter. Astron. Lett. 37, 576–587 (2011). https://doi.org/10.1134/S0320010811080067

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  • DOI: https://doi.org/10.1134/S0320010811080067

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