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arXiv 1004.3030hep-th
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用三次超弦场论产生Erler-Schnabl型快子真空解

Generating Erler-Schnabl-type Solution for Tachyon Vacuum in Cubic Superstring Field Theory

E. Aldo Arroyo

摘要:

我们研究了一组新的基于同一性的解决方案来分析开玻色子弦场论和立方超弦场论中的快子凝聚问题。尽管这些基于恒等式的解看起来微不足道,但事实证明,在进行适当的规范变换后,我们就得到了已知的Erler-Schnabl型解,它正确地再现了D膜张力的值。这一结果清楚地表明,一个看似平凡的解决方案可以产生一个非平凡的配置,精确地代表快子真空。

英文摘要:

We study a new set of identity-based solutions to analyze the problem of tachyon condensation in open bosonic string field theory and cubic superstring field theory. Even though these identity-based solutions seem to be trivial, it turns out that after performing a suitable gauge transformation, we are left with the known Erler-Schnabl-type solutions which correctly reproduce the value of the D-brane tension. This result shows explicitly that how a seemingly trivial solution can generate a non-trivial configuration which precisely represents to the tachyon vacuum.

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