Central charges and RG flow of strongly-coupled N=2 theory
Dan Xie, Peng Zhao
TL;DR
This paper computes central charges for a broad class of 4D N=2 superconformal theories derived from 6D theories on Riemann surfaces, and examines RG flows consistent with the a-theorem.
Contribution
It provides explicit calculations of central charges for many N=2 SCFTs and analyzes their RG flows, extending understanding of strongly-coupled theories.
Findings
Calculated central charges a, c, and k_G for various theories.
Confirmed RG flows between Argyres-Douglas theories obey the a-theorem.
Enhanced understanding of the structure of 4D N=2 superconformal theories.
Abstract
We calculate the central charges a, c and k_G of a large class of four-dimensional N=2 superconformal field theories arising from compactifying the six-dimensional N=(2,0) theory on a Riemann surface with regular and irregular punctures. We also study the renormalization group flows between the general Argyres-Douglas theories, which all agree with the a-theorem.
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