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arXiv 1006.0956hep-th
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Electrodynamics a la Horava

Electrodynamics a la Horava

Juan M. Romero, J. A. Santiago, O. Gonzalez-Gaxiola, A. Zamora

摘要:

研究了具有任意动力学指数$z$的时空各向异性变换的电动力学。明确地获得运动方程和守恒量。我们证明了该理论的传播子可以看作是对通常传播子的量子修正。此外,我们还得到动量和角动量都没有改变,但它们的守恒律却改变了。我们还表明,在这个理论中的光速和电荷的修改与$z$。本文还研究了这种电动力学中的磁引力及其对偶变换。为此,我们发现,存在一个对偶电动力学,具有较高的导数的电场,在相同的各向异性变换下不变。

英文摘要:

We study an electrodynamics consistent with anisotropic transformations of space-time with an arbitrary dynamic exponent $z$. The equations of motion and conserved quantities are explicitly obtained. We show that the propagator of this theory can be regarded as a quantum correction to the usual propagator. Moreover we obtain that both the momentum and angular momentum are not modified, but their conservation laws do change. We also show that in this theory the speed of light and the electric charge are modified with $z$. The magnetic monopole in this electrodynamics and its duality transformations are also investigated. For that we found that there exists a dual electrodynamics, with higher derivatives in the electric field, invariant under the same anisotropic transformations.

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