WARD IDENTITIES IN 2-DIMENSIONAL STRING THEORY

被引：28

作者：

KLEBANOV, IR

机构：

来源：

MODERN PHYSICS LETTERS A | 1992年 / 7卷 / 08期

关键词：

D O I：

10.1142/S0217732392000690

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

I study the Ward identities of the w(infinity) symmetry of the two-dimensional string theory. It is found that, not just an isolated vertex operator, but also a number of vertex operators colliding at a point can produce local charge non-conservation. The structure of all such contact terms is determined. As an application, I calculate all the non-vanishing bulk tachyon amplitudes directly through the Ward identities for a Virasoro subalgebra of the w(infinity).

引用

页码：723 / 731

页数：9