Abstract
We show how (topologically twisted) quantum field theories in the IR of bulk RG flows can be represented within the respective UV theories by means of codimenion- one projection defects. Indeed, from this perspective, RG flows of bulk theories can be described in terms of RG flows of the codimension-one identity defect in the fixed UV bulk theory. We illustrate this in the example of RG flows between supersymmetric Landau- Ginzburg orbifold models, for which the respective defects can be described in terms of matrix factorizations.
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Klos, F., Roggenkamp, D. Realizing IR theories by projections in the UV. J. High Energ. Phys. 2020, 97 (2020). https://doi.org/10.1007/JHEP01(2020)097
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DOI: https://doi.org/10.1007/JHEP01(2020)097