Hartle-Hawking vacuum for c=1 tachyon condensation -: art. no. 027

被引：13
|
作者：
Karczmarek, JL [1 ]
Strominger, A
机构：
[1] Harvard Univ, Jefferson Phys Lab, Cambridge, MA 02138 USA
[2] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA
[3] Stanford Univ, Dept Phys, Stanford, CA 94309 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2004年 / 12期
关键词：
tachyon condensation; 2D gravity; matrix models;
D O I：
10.1088/1126-6708/2004/12/027
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Quantum vacua are constructed for a time-symmetric cosmology describing closed string tachyon condensation in two-dimensional string theory. Due to the euclidean periodicity of the solution, and despite its time dependence, we are able to construct thermal states at discrete values of the temperature. The asymptotic thermal Green functions and stress energy tensor are computed and found to have an intriguing resemblance to those in the Hartle-Hawking vacuum of a black hole.
引用
收藏
页码：581 / 593
页数：13
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