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arXiv 0909.0263hep-th
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解析Lifshitz黑洞

An analytic Lifshitz black hole

Koushik Balasubramanian, John McGreevy

摘要:

Lifshitz点由具有各向异性尺度不变性(但不是伽利略不变性)的量子场论描述。在arXiv:0808.1725中,引力理论被证明是这样的理论。我们解析地构造了一个渐近于真空Lifshitz解的黑洞;这个黑洞解出了arXiv:0808.1725模型的一些简单(但有些奇怪)扩展的运动方程。我们研究了它的热力学和标量响应函数。标量波动方程证明是精确可解的。有趣的是,格林函数并没有表现出以前在自由Lifshitz标量理论中看到的超局域行为。

英文摘要:

A Lifshitz point is described by a quantum field theory with anisotropic scale invariance (but not Galilean invariance). In arXiv:0808.1725, gravity duals were conjectured for such theories. We construct analytically a black hole which asymptotes to a vacuum Lifshitz solution; this black hole solves the equations of motion of some simple (but somewhat strange) extensions of the models of arXiv:0808.1725. We study its thermodynamics and scalar response functions. The scalar wave equation turns out to be exactly solvable. Interestingly, the Green's functions do not exhibit the ultralocal behavior seen previously in the free Lifshitz scalar theory.

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