Tachyons and gravitation

Raychaudhuri, A. K. (1974) Tachyons and gravitation Journal of Mathematical Physics, 15 (6). p. 856. ISSN 0022-2488

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Official URL: http://jmp.aip.org/resource/1/jmapaq/v15/i6/p856_s...

Related URL: http://dx.doi.org/10.1063/1.1666741


This note presents the following results: (1) In the weak field approximation, the tachyon apparently experiences a repulsion due to ordinary matter; (2) a tachyon turns back from a black hole after penetrating the Schwarzschild singularity; (3) in ever expanding isotropic universes the tachyon velocity becomes arbitrarily large at a finite time; (4) between tachyons themselves, there is apparently an attraction.

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