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arXiv 0705.3210hep-th
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以无质量p-形式为中介的自旋为2的场的相互作用

Interactions for a collection of spin-two fields intermediated by a massless p-form

C. Bizdadea, E. M. Cioroianu, D. Cornea, E. Diaconu, S. O. Saliu, S. C. Sararu

摘要:

在局域性、相互作用在耦合常数上的光滑性、Poincare不变性、Lorentz协变性以及保持每个场的导数个数的一般假设下,我们研究了一个或多个自旋为2的场到无质量p型场的交叉耦合.出现了两种互补的情况。第一种情况与广义相对论的标准相互作用有关,但第二种情况描述了D=p+2时空维度中一种新的特殊类型的耦合,它打破了PT不变性。然而,在内部空间中,不同的引力子之间没有一致的,间接的交叉相互作用,具有正定义的度规。

英文摘要:

Under the general hypotheses of locality, smoothness of interactions in the coupling constant, Poincare invariance, Lorentz covariance, and preservation of the number of derivatives on each field, we investigate the cross-couplings of one or several spin-two fields to a massless p-form. Two complementary cases arise. The first case is related to the standard interactions from General Relativity, but the second case describes a new, special type of couplings in D=p+2 spacetime dimensions, which break the PT-invariance. Nevertheless, no consistent, indirect cross-interactions among different gravitons with a positively defined metric in internal space can be constructed.

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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