期刊
SCIPOST PHYSICS
卷 13, 期 2, 页码 -出版社
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.13.2.012
关键词
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资金
- U.S. Department of Energy [DE-SC0009999]
- University of California
- University of Queensland
- Australian Research Council (ARC) [FT180100353]
- Capacity Building Package of the University of Queensland
- Australian Research Council [FT180100353] Funding Source: Australian Research Council
This paper investigates the relationship between the ModMax theory and its Born-Infeld-like generalization in electrodynamics, and reveals that they are connected by a flow equation driven by a quadratic combination of stress-energy tensors. It is shown that this result generalizes the relationship between the ordinary Born-Infeld Lagrangian and the free Maxwell theory, and it is demonstrated that no similar relationship exists in dimensions other than four. Additionally, the N = 1 supersymmetric version of the ModMax-Born-Infeld theory is found to obey a related supercurrent-squared flow formulated directly in N = 1 superspace.
We show that the recently introduced ModMax theory of electrodynamics and its Born-Infeld-like generalization are related by a flow equation driven by a quadratic combi-nation of stress-energy tensors. The operator associated to this flow is a 4d analogue of the T T deformation in two dimensions. This result generalizes the observation that the ordinary Born-Infeld Lagrangian is related to the free Maxwell theory by a current -squared flow. As in that case, we show that no analogous relationship holds in any other dimension besides d = 4. We also demonstrate that the N = 1 supersymmetric version of the ModMax-Born-Infeld theory obeys a related supercurrent-squared flow which is formulated directly in N = 1 superspace.
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