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arXiv 1902.03392hep-thgr-qcmath-phmath.MP
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三维和四维约束规范-引力对偶

Constrained gauge-gravity duality in three and four dimensions

Thiago S. Assimos, Rodrigo F. Sobreiro

摘要:

本文讨论了三维空间中Chern-Simons作用量与Einstein-Hilbert作用量的等价性。Achúcarro和P.~ K.~ Townsend(1986)和E.~ Witten(1988)被推广到离壳情形。该技术也被推广到杨米尔斯作用在四维显示德西特规范对称性。结果表明,在这两种情况下,我们可以直接识别的引力作用,而规范对称性可以产生时空局域等距以及超同态。我们在离壳场景中工作的代价是需要特定的几何约束。这些约束可以用时空的叶理来表示。研究了类空叶随时间演化的特殊情况。最后,根据纤维束理论对整个装置进行了分析。在这个分析中,我们表明,传统的规范理论,其中的规范场不影响时空动力学,可以(对于特定的情况下)一致地映射到引力理论的一阶形式。

英文摘要:

The equivalence between Chern-Simons and Einstein-Hilbert actions in three dimensions established by A.~Achúcarro and P.~K.~Townsend (1986) and E.~Witten (1988) is generalized to the off-shell case. The technique is also generalized to the Yang-Mills action in four dimensions displaying de Sitter gauge symmetry. It is shown that, in both cases, we can directly identify a gravity action while the gauge symmetry can generate spacetime local isometries as well as diffeomorphisms. The price we pay for working in an off-shell scenario is that specific geometric constraints are needed. These constraints can be identified with foliations of spacetime. The special case of spacelike leafs evolving in time is studied. Finally, the whole set up is analyzed under fiber bundle theory. In this analysis we show that a traditional gauge theory, where the gauge field does not influence in spacetime dynamics, can be (for specific cases) consistently mapped into a gravity theory in the first order formalism.

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