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Supersymmetry and finite-temperature strings

Bakas, I, Bilal, A, Derendinger, J-P and Sfetsos, K (2000) Supersymmetry and finite-temperature strings

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We describe finite temperature N=4 superstrings in D=5 by an effective four-dimensional supergravity of the thermal winding modes that can become tachyonic and trigger the instabilities at the Hagedorn temperature. Using a domain-wall ansatz, exact solutions to special BPS-type first order equations are found. They preserve half of the supersymmetries, contrary to the standard perturbative superstring at finite temperature that breaks all supersymmetries. Our solutions show no indication of any tachyonic instability and provide evidence for a new BPS phase of finite temperature superstrings that is stable for all temperatures. This would have important consequences for a stringy description of the early universe.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Bakas, I
Bilal, A
Derendinger, J-P
Date : 22 November 2000
Uncontrolled Keywords : hep-th, hep-th
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:26
Last Modified : 24 Jan 2020 22:15

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