Target Space Approach to Closed String Tachyons

Details Target Space Approach to Closed String Tachyons Target Space Approach to Closed String Tachyons

2003-02-03

arxiv.org/abs/hep-th/0302010v4

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, references added, analysis of scalar potential is reconsidered, details of calculations included

Scientific paper

We use the low energy effective theory of string theory to investigate condensations of closed string tachyons propagating in the bulk. The c-function is related to the total energy of the system via the effective action. A possible modification of the c-theorem is discussed. We also deduce endpoints of the decays by investigating scalar potential of gauged supergravities. A string theory in the flat spacetime would be a possible endpoint.

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