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arXiv 1304.7481hep-thcond-mat.stat-mechcond-mat.str-el
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Lifshitz流体动力学

Lifshitz Hydrodynamics

Carlos Hoyos, Bom Soo Kim, Yaron Oz

摘要:

我们构造了量子临界点的流体力学与Lifshitz标度。由于缺乏升压不变性,存在新的耗散效应。一般来说,该公式适用于任何具有明确的升压对称性破缺的流体。我们使用一个奇怪的金属德鲁德模型来研究新的输运系数的物理效应。它可以用非零梯度的电场测量,或者通过当外力打开时的热产生来测量。标度参数将电阻率固定为温度的线性。

英文摘要:

We construct the hydrodynamics of quantum critical points with Lifshitz scaling. There are new dissipative effects allowed by the lack of boost invariance. The formulation is applicable, in general, to any fluid with an explicit breaking of boost symmetry. We use a Drude model of a strange metal to study the physical effects of the new transport coefficient. It can be measured using electric fields with non-zero gradients, or via the heat production when an external force is turned on. Scaling arguments fix the resistivity to be linear in the temperature.

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