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Calculating the infrared central charges for perturbed minimal models: improving the RG perturbation

Kjærgaard, L.; Mansfield, P.


L. Kjærgaard

P. Mansfield


We illustrate a method for improving Renormalisation Group improved perturbation theory by calculating the infrared central charge of a perturbed conformal field theory. The additional input is a dispersion relation that exploits analyticity of the energy-momentum tensor correlator.

Journal Article Type Article
Acceptance Date Aug 3, 1999
Publication Date Sep 9, 1999
Deposit Date Jun 16, 2015
Publicly Available Date Jun 16, 2015
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 462
Issue 1-2
Pages 103-108
Public URL
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