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Defects and Perturbation

MPS-Authors
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Brehm,  Enrico M.
Gravity, Quantum Fields and Information, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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2011.10795.pdf
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Citation

Brehm, E. M. (2021). Defects and Perturbation. Journal of High Energy Physics, 2021(04): 300. doi:10.1007/JHEP04(2021)300.


Cite as: https://hdl.handle.net/21.11116/0000-0007-8C56-B
Abstract
We investigate perturbatively tractable deformations of topological defects
in two-dimensional conformal field theories. We perturbatively compute the
change in the $g$-factor, the reflectivity, and the entanglement entropy of the
conformal defect at the end of these short RG flows. We also give instances of
such flows in the diagonal Virasoro and Super-Virasoro Minimal Models.