Conformal a-charge, correlation functions and conical defects
arXiv:1406.5368 · doi:10.1016/j.physletb.2014.07.021
Abstract
In this note we demonstrate that, as we conjectured earlier in [1], the a-charge in the conformal anomaly in dimension manifests in a -point correlation function of energy momentum tensor of a CFT considered in flat spacetime with a conical defect. We consider in detail dimensions and give a general formula for arbitrary .
10 pages; v2: new references added + several remarks on absence of contribution from anomaly of type B added