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arXiv 2402.07464hep-th
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BRST 形式中的两点闭弦振幅

Two-point closed string amplitudes in the BRST formalism

Isao Kishimoto, Shigenori Seki, Tomohiko Takahashi

AI总结:

本文在 BRST 形式中推导玻色闭弦理论的两点树级振幅,利用主要为 BRST 精确的算符和幽灵数三的闭弦顶点,保持洛伦兹和共形不变性。

摘要:

玻色闭弦理论中的两点树级振幅由 BRST 形式内的关联函数描述,该形式保持明显的洛伦兹和共形不变性。在推导两点振幅时,我们使用了主要为 BRST 精确的算符(该算符已为两点开弦振幅引入),以及一个具有幽灵数三的闭弦顶点(该顶点在我们最近的工作中探讨过),此外还使用了常规顶点。

英文摘要:

Two-point tree-level amplitudes in bosonic closed string theory are described by a correlation function within the BRST formalism, which respects manifest Lorentz and conformal invariance. In the derivation of the two-point amplitudes, we use the mostly BRST exact operator, which has been introduced for two-point open string amplitudes, and a closed string vertex with ghost number three, which has been explored in our recent work, in addition to the conventional one.

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