Proof of vanishing cohomology at the tachyon vacuum

被引：89

作者：

Ellwood, Ian ^{[1
]}

Schnabl, Martin

机构：

[1] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA

[2] CERN, Div Theory, Dept Phys, CH-1211 Geneva 23, Switzerland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2007年 / 02期

关键词：

string field theory; Tachyon condensation; D-branes;

D O I：

10.1088/1126-6708/2007/02/096

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：

We prove Sen's third conjecture that there are no on-shell perturbative excitations of the tachyon vacuum in open bosonic string field theory. The proof relies on the existence of a special state A, which, when acted on by the BRST operator at the tachyon vacuum, gives the identity. While this state was found numerically in Feynman-Siegel gauge, here we give a simple analytic expression.

引用

页数：20

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