Analytic solutions for marginal deformations in open string field theory
Analytic solutions for marginal deformations in open string field theory
复制标题
开弦场理论中边缘变形的解析解
DOI：
10.1088/1126-6708/2008/01/028
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发表时间：
2007
影响因子：
5.4
通讯作者：
B. Zwiebach
中科院分区：
文献类型：
--
作者：
Michael Kiermaier;Y. Okawa;L. Rastelli;B. Zwiebach
我们发展了一种可计算的解析方法来计算开放弦场论中的边缘形变，它使用带有算符插入的楔形态。对于具有正则算子积的边缘算子，我们构造了形变参数中所有阶的解析解。特别是，我们构造了一个精确的依赖于时间的解，它描述了D膜的衰变，并结合了所有的α修正。对于具有奇异算子乘积的边缘算子，我们通过正则化奇性和添加反项来构造解。我们在变形参数中显式地将程序进行到三阶。
We develop a calculable analytic approach to marginal deformations in open string field theory using wedge states with operator insertions. For marginal operators with regular operator products, we construct analytic solutions to all orders in the deformation parameter. In particular, we construct an exact time-dependent solution that describes D-brane decay and incorporates all α' corrections. For marginal operators with singular operator products, we construct solutions by regularizing the singularity and adding counterterms. We explicitly carry out the procedure to third order in the deformation parameter.