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arXiv 1101.2865math-phhep-thmath.MPmath.OA
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共形QFT中的热态I

Thermal States in Conformal QFT. I

Paolo Camassa, Roberto Longo, Yoh Tanimoto, Mihály Weiner

摘要:

我们分析了一组本地正常的KMS状态w.r.t. R上von Neumann代数的局部共形网A的平移群。在第一部分中,我们关注完全理性网A。我们的主要结果表明,如果A是完全有理数的,则存在一个局部正规的KMS态。此外,正则地构造了一个几何过程。与局部正常KMS状态相关的“热完成网”的分析起着至关重要的作用。一个类似的唯一性结果保持二维局部共形网的KMS状态w.r.t.时间平移单参数组。

英文摘要:

We analyze the set of locally normal KMS states w.r.t. the translation group for a local conformal net A of von Neumann algebras on R. In this first part, we focus on completely rational net A. Our main result here states that, if A is completely rational, there exists exactly one locally normal KMS state ϕ. Moreover, ϕis canonically constructed by a geometric procedure. A crucial rôle is played by the analysis of the "thermal completion net" associated with a locally normal KMS state. A similar uniqueness result holds for KMS states of two-dimensional local conformal nets w.r.t. the time-translation one-parameter group.

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