General linear gauges and amplitudes in open string field theory

被引：12
作者：
Asano, Masako [2 ]
Kato, Mitsuhiro [1 ]
机构：
[1] Univ Tokyo, Inst Phys, Meguro Ku, Tokyo 1538902, Japan
[2] Osaka Prefecture Univ, Fac Liberal Arts & Sci, Osaka 5998531, Japan
来源：
NUCLEAR PHYSICS B | 2009年 / 807卷 / 1-2期
基金：
日本学术振兴会;
关键词：
D O I：
10.1016/j.nuclphysb.2008.09.004
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：
A general class of gauges for open string field theory, for which the gauge fixing condition is given by linear equations with respect to string field, is investigated in detail. This class of gauges includes almost all known ones like Siegel gauge and its various extensions such as a-gauges proposed by the present authors as well as Schnabl gauge and linear b-gauges. A general form of propagators is determined and their common features are analyzed. A consistent procedure for calculating the amplitudes is given. Gauge independence of the on-shell physical amplitudes is explicitly shown. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：348 / 372
页数：25
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