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arXiv 2602.13627hep-th
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开放弦场论中的更高连接

Higher Connection in Open String Field Theory

School of Natural Sciences, Institute for Advanced Study(高等研究院自然科学学院)

Yichul Choi

AI总结:

本文定义了开放弦场论经典解空间中的2形式连接,引入了新的不变观测量,并探讨了其与闭弦背景Kalb-Ramond场的关联。

摘要:

我们定义了开放弦场论经典解空间中的2形式连接,使用开放弦星积和积分。相应的更高holonomy和3形式曲率是新的不变观测量,受无限维gauge代数的保护。该定义类似于量子力学中的Berry相位,并受最近关于更高Berry相位研究的启发。我们建议至少在有利情况下将此2形式连接与闭弦背景的Kalb-Ramond B场识别。还讨论了目标空间为二维CFT conformal边界条件模空间的sigma模型,其中B场由该2形式连接的近亲给出。

英文摘要:

We define a 2-form connection in the space of classical solutions of the bosonic open string field theory, using the open string star product and integration. The corresponding higher holonomies and the 3-form curvature are new observables invariant under the infinite-dimensional gauge algebra of open string field theory. The definition is analogous to that of Berry phase in quantum mechanics and is motivated by recent studies on higher Berry phase in condensed matter physics and quantum field theory. We suggest identifying this 2-form connection with the Kalb-Ramond $B$-field of the closed string background at least in favorable situations. Also discussed are sigma models whose target space is the moduli space of conformal boundary conditions of a two-dimensional CFT with the $B$-field given by a cousin of this 2-form connection.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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