Some Applications of Ricci Flow in Physics

Some Applications of Ricci Flow in Physics
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里奇流在物理学中的一些应用

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发表时间:
2007
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通讯作者:
E. Woolgar
E. Woolgar
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文献类型:
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作者:
E. Woolgar

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我讨论了利玛奇流在物理学中的某些应用。我首先回顾了它是如何在非线性Sigma模型的重整化群(RG)流中产生的。然后,我回顾了利玛窦孤子的概念,并回忆起孤子是如何被用来讨论二维质量的RG流的。然后,我介绍了与Oliynyk在更高维度中的质量流动方面获得的最新结果。最后一节讨论了广义相对论中利玛窦流动可能产生的一种方式,特别是对于静态度量。
I discuss certain applications of the Ricci flow in physics. I first review how it arises in the renormalization group (RG) flow of a nonlinear sigma model. I then review the concept of a Ricci soliton and recall how a soliton was used to discuss the RG flow of mass in 2-dimensions. I then present recent results obtained with Oliynyk on the flow of mass in higher dimensions. The final section discusses one way in which Ricci flow may arise in general relativity, particularly for static metrics.