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Abstract: We show that when an N=2 SCFT flows to an N=1 SCFT via giving a mass to theadjoint chiral superfield in a vector multiplet with marginal coupling, thecentral charges a and c of the N=2 theory are related to those of the N=1theory by a universal linear transformation. In the large N limit, thisrelationship implies that the central charges obey a IR-a UV=c IR-c UV=27-32.This gives a physical explanation to many examples of this number found in theliterature, and also suggests the existence of a flow between some theories notpreviously thought to be connected.

Autor: Yuji Tachikawa, Brian Wecht

Fuente: https://arxiv.org/

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