Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-03-11
Phys.Lett. B430 (1998) 94-101
Physics
High Energy Physics
High Energy Physics - Theory
12 pages LaTeX; references updated, one added; to be published in Physics Letters B
Scientific paper
10.1016/S0370-2693(98)00500-0
We establish conditions under which the worldsheet beta-functions of logarithmic conformal field theories can be derived as the gradient of some scalar function on the moduli space of running coupling constants. We derive a renormalization group invariant version of this function and relate it to the usual Zamolodchikov C-function expressed in terms of correlation functions of the worldsheet energy-momentum tensor. The results are applied to the example of D-brane recoil in string theory.
Mavromatos Nick E.
Szabo Richard J.
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