Paper · Dec 15, 2018
Constructing Lifshitz spaces using the Ricci flow
As on arXiv
Abstract
In this work we make use of the Ricci flow equations to show that, by starting from a general ansatz for the metric, we can construct two kinds of Lifshitz spaces in which: (a) the critical exponent coincides with the spatial dimension of the spacetime and therefore adopts discrete values, and (b) the critical exponent is continuous and arbitrary. These results show that Lifshitz spaces are exact solutions to the Ricci flow equations. Moreover, we found that the Ricci flow evolves towards a single fixed point for both cases which coincides with the flat spacetime.
- Submitted
- Dec 15, 2018
- Last revised
- Jun 6, 2019 (v2)
- Subjects
- hep-th, gr-qc
- Journal
- Annals of Physics 415 (2020), 168093
Comments: 8 pages
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Background reading
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In the guidebook
- 5A.5Uniformization and the Two-Dimensional Ricci Flow
Constant-curvature metrics on surfaces, and Ricci flow as a heat equation for the conformal factor.
- 10A.12Curve Shortening and Minimal Discs
How loops shrink under curvature, how the discs they bound lose area, and Perelman's extinction estimate.
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A heat equation for the metric: spheres, cylinders and scaling.