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首页> 外文期刊>International Journal of Modern Physics, A. Particles and Fields, Gravitation, Cosmology >New infinite-dimensional double symmetry groups for the Einstein-Kalb-Ramond theory
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New infinite-dimensional double symmetry groups for the Einstein-Kalb-Ramond theory

机译:爱因斯坦-卡尔布-拉蒙德理论的新的无限维双对称群

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摘要

The symmetry structures of the dimensionally reduced Einstein-Kalb-Ramond (EKR) theory is further studied. By using a so-called extended double (ED)-complex method, the usual Riemann-Hilbert (RH) problem is extended to an ED-complex formulation. A pair of ED RH transformations are constructed and they are verified to give infinite-dimensional double symmetry groups of the EKR theory, each of these symmetry groups has the structure of semidirect product of Kac-Moody group O(d,d) and Virasoro group. Moreover, the infinitesimal forms of these RH transformations are calculated out and they are found to give exactly the same results as previous, these demonstrate that the pair of ED RH transformations in this paper provide exponentiations of all the infinitesimal symmetries in our previous paper. The finite forms of symmetry transformations given in the present paper are more important and useful for theoretic studies and new solution generation, etc.
机译:进一步研究了尺寸减小的爱因斯坦-卡尔布-拉蒙德(EKR)理论的对称结构。通过使用所谓的扩展双(ED)复杂方法,通常的黎曼-希尔伯特(RH)问题扩展到ED复杂配方。构造了一对ED RH变换,并对其进行了验证,从而给出了EKR理论的无限维双对称组,这些对称组中的每一个均具有Kac-Moody组O(d,d)和Virasoro组的半直接乘积结构。此外,计算出这些RH变换的无穷小形式,发现它们提供的结果与以前完全相同,这表明本文中的ED RH变换对提供了我们先前论文中所有无穷小对称性的指数。本文给出的对称变换的有限形式对于理论研究和新解的产生等更为重要和有用。

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