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Gravitational field of a tachyon in a de Sitter universe

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Abstract

An exact solution of Einstein’s equations is interpreted as describing the gravitational field of a tachyon in a de Sitter universe. Switching off the cosmological constant yields the gravitational field of a tachyon in flat spacetime background.

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  1. Physical Research Laboratory, 380 009, Navrangpura, Ahmedabad, India

    K S Virbhadra

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  1. K S Virbhadra
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Virbhadra, K.S. Gravitational field of a tachyon in a de Sitter universe. Pramana - J Phys 40, 273–275 (1993). https://doi.org/10.1007/BF02845846

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  • DOI: https://doi.org/10.1007/BF02845846

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