Siegel gauge in vacuum string field theory

被引：0
作者：
Okuyama, K [1 ]
机构：
[1] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2002年 / 01期
关键词：
bosonic strings; D-branes; BRST quantization;
D O I：
暂无
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 study the star algebra of ghost sector in vacuum string field theory (VSFT). We show that the star product of two states in the Siegel gauge is BRST exact if we take the BRST charge to be the one found in [1], and the BRST exact states are nil factors in the star algebra. By introducing a new star product defined on the states in the Siegel gauge, the equation of motion of VSFT is characterized as the projection condition with respect to this new product. We also comment on the comma form of string vertex in the ghost sector.
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页数：12
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