Spacelike boundaries from the c = 1 matrix model

Sumit R. Das; Joanna L. Karczmarek

doi:10.1103/PhysRevD.71.086006

Spacelike boundaries from the c = 1 matrix model

Sumit R. Das, Joanna L. Karczmarek

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

We find classical solutions of two dimensional noncritical string theory which give rise to geometries with spacelike boundaries, similar to spacetimes with cosmological event horizons. In the c = 1 matrix model, these solutions have a representation as simple time-dependent configurations. We obtain the causal structure of the resulting spacetimes. Using the macroscopic loop transform, we probe the form of the tachyon condensate in the asymptotic regions.

Original language	English
Article number	086006
Pages (from-to)	1-11
Number of pages	11
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	71
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevD.71.086006
State	Published - Apr 15 2005

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.71.086006

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abstract = "We find classical solutions of two dimensional noncritical string theory which give rise to geometries with spacelike boundaries, similar to spacetimes with cosmological event horizons. In the c = 1 matrix model, these solutions have a representation as simple time-dependent configurations. We obtain the causal structure of the resulting spacetimes. Using the macroscopic loop transform, we probe the form of the tachyon condensate in the asymptotic regions.",

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AB - We find classical solutions of two dimensional noncritical string theory which give rise to geometries with spacelike boundaries, similar to spacetimes with cosmological event horizons. In the c = 1 matrix model, these solutions have a representation as simple time-dependent configurations. We obtain the causal structure of the resulting spacetimes. Using the macroscopic loop transform, we probe the form of the tachyon condensate in the asymptotic regions.

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Spacelike boundaries from the c = 1 matrix model

Abstract

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