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Jordan Frame or Einstein Frame?

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Abstract

In this paper we show that the choice between the Jordan frame and the Einstein frame is not merely a matter of formalism or convenience. There exist physical implications behind the choice of gauge. Therefore, in general both gauges are not equivalent. We point out that the conformally related gravity theories are indeed equivalent only for vacuum and for matter whose energy-momentum tensor is tracefree.

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  1. Alfredo Macías

    Present address: Departamento de Física, Universidad Autónoma Metropolitana–Iztapalapa, Apartado Postal 55–534, C.P. 09340, Méxizco, D.F., MEXICO

Authors and Affiliations

  1. Departamento de Física, CINVESTAV-IPN, Apartado Postal 14-740, C.P. 07000, México, D.F., Mexico

    Alfredo Macías

  2. Departamento de Física, CINVESTAV-IPN, Apartado Postal 14-740, C.P. 07000, México, D.F., Mexico

    Alberto García

Authors
  1. Alfredo Macías
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  2. Alberto García
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Macías, A., García, A. Jordan Frame or Einstein Frame?. General Relativity and Gravitation 33, 889–899 (2001). https://doi.org/10.1023/A:1010212025682

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  • DOI: https://doi.org/10.1023/A:1010212025682

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