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Quartic Gradient Flow
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DOI：10.1016/j.physletb.2023.138441.png)
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摘要
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Saddle-point configurations, such as the Euclidean bounce and sphalerons, are known to be difficult to find numerically. In this letter we study a new method, Quartic Gradient Flow, to search for such configurations. The central idea is to introduce a gradient-flow-like equation in such a way that all the fluctuations around the saddle-point have eigenvalues that are square of the eigenvalues of the original quadratic operator. We illustrate how the method works for the Euclidean bounce and sphalerons.
Keyword:
FALSE VACUUM
SPHALERONS
FIELD
FATE
期刊
IF:
4.5
论文数:
3.2W
被引数:
7.3W
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