A note on the kinematics of the tachyon fluid |
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| Authors: | T Singh G Prasad |
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| Institution: | (1) Applied Mathematics Section, Institute of Technology, Banaras Hindu University, Varanasi, India;(2) Department pf Mathematics, S. C. College, Ballia, U.P., India |
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| Abstract: | It is shown that the kinematical parameters associated with the congruence formed by tachyonic motion can be defined in the manner of Greenberg, but not that of Ehlers. The space-like counterpart of Raychaudhuri's equation has also been obtained. |
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