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arXiv 1903.05554hep-thgr-qc
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超越弦论的T-对偶等价

T-duality equivalences beyond string theory

Jose D. Edelstein, Konstantinos Sfetsos, J. Anibal Sierra-Garcia, Alejandro Vilar Lopez

摘要:

我们研究了一个包含高阶导数项的两参数引力作用量族。这些都是这样的,整个行动是不变的校正T-对偶规则,我们明确得出。一般来说,除了参数的孤立选择外,这个动作并不描述低能弦背景。然而,我们证明,在这个理论中的熵和温度的一般黑洞解的T-对偶不变。这进一步支持了我们在以前的工作中提出的观点,即T对偶可能提供超越弦论范畴的物理等价性。

英文摘要:

We examine a two parameter family of gravitational actions which contains higher-derivative terms. These are such that the entire action is invariant under corrected T-duality rules, which we derive explicitly. Generically this action does not describe low energy string backgrounds except for isolated choices for the parameters. Nevertheless, we demonstrate that in this theory the entropy and the temperature of generic black hole solutions are T-duality invariant. This further supports the idea put forward in our previous work that T-duality might provide physical equivalences beyond the realm of string theory.

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