TY - JOUR
T1 - Conformal perturbation theory beyond the leading order
AU - Gaberdiel, Matthias R.
AU - Konechny, Anatoly
AU - Schmidt-Colinet, Cornelius
PY - 2009
Y1 - 2009
N2 - Higher-order conformal perturbation theory is studied for theories with and without boundaries. We identify systematically the universal quantities in the beta function equations, and we give explicit formulae for the universal coefficients at next-to-leading order in terms of integrated correlation functions. As an example, we analyse the radius dependence of the conformal dimension of some boundary operators for the case of a single Neumann brane on a circle, and for an intersecting brane configuration on a torus, reproducing in both cases the expected geometrical answer. © 2009 IOP Publishing Ltd.
AB - Higher-order conformal perturbation theory is studied for theories with and without boundaries. We identify systematically the universal quantities in the beta function equations, and we give explicit formulae for the universal coefficients at next-to-leading order in terms of integrated correlation functions. As an example, we analyse the radius dependence of the conformal dimension of some boundary operators for the case of a single Neumann brane on a circle, and for an intersecting brane configuration on a torus, reproducing in both cases the expected geometrical answer. © 2009 IOP Publishing Ltd.
UR - http://www.scopus.com/inward/record.url?scp=67649556120&partnerID=8YFLogxK
U2 - 10.1088/1751-8113/42/10/105402
DO - 10.1088/1751-8113/42/10/105402
M3 - Article
SN - 1751-8113
VL - 42
JO - Journal of Physics A: Mathematical and Theoretical
JF - Journal of Physics A: Mathematical and Theoretical
IS - 10
M1 - 105402
ER -