### Abstract

We study the tachyon condensation of the DD̄-brane system with a constant tachyon vev in the context of classical solutions of the Type II supergravity. We find that the general solution with the symmetry ISO(1, p) x SO(9-p) (the three-parameter solution) includes the extremal black p-brane solution as an appropriate limit of the solution by fixing one of the three parameters (c_{1}). Furthermore, we compare the long distance behavior of the solution with the massless modes of the closed strings from the boundary state of the DD̄-brane system with a constant tachyon vev. We find that we must fix c_{1} to zero and only two parameters are needed to express the tachyon condensation of the DD̄-brane system. This means that the parameter c_{1} does not correspond to the tachyon vev of the DD̄-brane system.

Original language | English |
---|---|

Pages (from-to) | 1119-1134 |

Number of pages | 16 |

Journal | Modern Physics Letters A |

Volume | 20 |

Issue number | 15 |

DOIs | |

Publication status | Published - 2005 May 20 |

Externally published | Yes |

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### ASJC Scopus subject areas

- Physics and Astronomy(all)
- Statistical and Nonlinear Physics
- Mathematical Physics
- Nuclear and High Energy Physics

### Cite this

*Modern Physics Letters A*,

*20*(15), 1119-1134. https://doi.org/10.1142/S0217732305017354

**Open string tachyon in supergravity solution.** / Kobayashi, Shinpei; Asakawa, Tsuguhiko; Matsuura, So.

Research output: Contribution to journal › Article

*Modern Physics Letters A*, vol. 20, no. 15, pp. 1119-1134. https://doi.org/10.1142/S0217732305017354

}

TY - JOUR

T1 - Open string tachyon in supergravity solution

AU - Kobayashi, Shinpei

AU - Asakawa, Tsuguhiko

AU - Matsuura, So

PY - 2005/5/20

Y1 - 2005/5/20

N2 - We study the tachyon condensation of the DD̄-brane system with a constant tachyon vev in the context of classical solutions of the Type II supergravity. We find that the general solution with the symmetry ISO(1, p) x SO(9-p) (the three-parameter solution) includes the extremal black p-brane solution as an appropriate limit of the solution by fixing one of the three parameters (c1). Furthermore, we compare the long distance behavior of the solution with the massless modes of the closed strings from the boundary state of the DD̄-brane system with a constant tachyon vev. We find that we must fix c1 to zero and only two parameters are needed to express the tachyon condensation of the DD̄-brane system. This means that the parameter c1 does not correspond to the tachyon vev of the DD̄-brane system.

AB - We study the tachyon condensation of the DD̄-brane system with a constant tachyon vev in the context of classical solutions of the Type II supergravity. We find that the general solution with the symmetry ISO(1, p) x SO(9-p) (the three-parameter solution) includes the extremal black p-brane solution as an appropriate limit of the solution by fixing one of the three parameters (c1). Furthermore, we compare the long distance behavior of the solution with the massless modes of the closed strings from the boundary state of the DD̄-brane system with a constant tachyon vev. We find that we must fix c1 to zero and only two parameters are needed to express the tachyon condensation of the DD̄-brane system. This means that the parameter c1 does not correspond to the tachyon vev of the DD̄-brane system.

UR - http://www.scopus.com/inward/record.url?scp=20844441633&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=20844441633&partnerID=8YFLogxK

U2 - 10.1142/S0217732305017354

DO - 10.1142/S0217732305017354

M3 - Article

AN - SCOPUS:20844441633

VL - 20

SP - 1119

EP - 1134

JO - Modern Physics Letters A

JF - Modern Physics Letters A

SN - 0217-7323

IS - 15

ER -