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Stochastic Tachyon Fluctuations, Marginal Deformations and Shock Waves in String Theory

Sfetsos, K (1994) Stochastic Tachyon Fluctuations, Marginal Deformations and Shock Waves in String Theory Phys.Rev. D, 52. pp. 2323-2332.

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Abstract

Starting with exact solutions to string theory on curved spacetimes we obtain deformations that represent gravitational shock waves. These may exist in the presence or absence of sources. Sources are effectively induced by a tachyon field that randomly fluctuates around a zero condensate value. It is shown that at the level of the underlying conformal field theory (CFT) these deformations are marginal and moreover all \a'-corrections are taken into account. Explicit results are given when the original undeformed 4-dimensional backgrounds correspond to tensor products of combinations of 2-dimensional CFT's, for instance SL(2,R)/R \times SU(2)/U(1).

Item Type: Article
Authors :
NameEmailORCID
Sfetsos, Kk.sfetsos@surrey.ac.ukUNSPECIFIED
Date : 7 December 1994
Identification Number : https://doi.org/10.1103/PhysRevD.52.2323
Uncontrolled Keywords : hep-th, hep-th, gr-qc
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:27
Last Modified : 17 May 2017 12:27
URI: http://epubs.surrey.ac.uk/id/eprint/835386

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