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arXiv 1202.3944hep-thgr-qc
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$(n+1)$维Lifshitz全息的形变

Deformations of Lifshitz Holography in $(n+1)$-dimensions

Miok Park, Robert B. Mann

摘要:

研究了$(n+1)$维时空中Lifshitz全息的形变。在讨论了一般Lifshitz标度对称性参数$z$的情况后,我们考虑了$z=n-1$和相关的边缘相关算子。这些算符由动量标度$Λ\sim 0$动态产生,并通过全息图像对应于轻微变形的Lifshitz时空。我们获得了从UV Lifshitz到IR AdS的有限温度下的重整化群流,并评估了物理量如自由能密度和能量密度如何在量子临界区作为$Λ^z/T \rightarrow 0$依赖于$\log(Λ^z/T)$。

英文摘要:

We investigate deformations of Lifshitz holography in $(n+1)$ dimensional spacetime. After discussing the situation for general Lifshitz scaling symmetry parameter $z$, we consider $z=n-1$ and the associated marginally relevant operators. These operators are dynamically generated by a momentum scale $Λ\sim 0$ and correspond to slightly deformed Lifshitz spacetimes via a holographic picture. We obtain renormalization group flow at finite temperature from UV Lifshitz to IR AdS, and evaluate how physical quantities such as the free energy density and the energy density depend on $\log(Λ^z/T)$ in the quantum critical regime as $Λ^z/T \rightarrow 0$.

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