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arXiv 0907.4404gr-qc
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再论引力的纯Yang-Mills型公式的不相容性

Non-consistency of a pure Yang-Mills type formulation for gravity revisited

Rolando Gaitan

摘要:

在基于$GL(3,R)$规范群的纯Yang-Mills公式的背景下,以扭曲为动力学变量,度规为(经典)固定背景,建立了微扰机制.在无质量的情况下,我们表明,该理论传播的三个自由度,只有一个是一个非幺正模式。接下来,我们引入依赖于挠率的二次项,它保持奇偶性和广义协方差。线性化的版本再现了一个类似的希尔伯特-爱因斯坦-菲尔茨-泡利酉质量理论加上三个无质量模式,其中两个非酉模式。

英文摘要:

A perturbative regime based on contorsion as a dynamical variable and metric as a (classical) fixed background, is performed in the context of a pure Yang-Mills formulation based on $GL(3,R)$ gauge group. In the massless case we show that the theory propagates three degrees of freedom and only one is a non-unitary mode. Next, we introduce quadratical terms dependent on torsion, which preserve parity and general covariance. The linearized version reproduces an analogue Hilbert-Einstein-Fierz-Pauli unitary massive theory plus three massless modes, two of them non-unitary ones.

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