Sep 15 – 18, 2014
Dept. of Physics and Astronomy
Europe/Rome timezone

Constraints on CFTs in Diverse Dimensions from the Bootstrap Mechanism

Sep 17, 2014, 11:30 AM
1h
Aula Magna (Dept. of Physics and Astronomy)

Aula Magna

Dept. of Physics and Astronomy

A. Righi Building Via Irnerio 46, 40126 Bologna (Italy)
Plenary Talk Wednesday morning

Speaker

Ferdinando Gliozzi (TO)

Description

Recently an efficient numerical method has been developed to implement crossing symmetry and unitarity on the operator dimensions and on OPE coefficients in CFTs in various dimensions. These calculations can be done only for theories lying at the boundary of the allowed parameter space. I illustrate an alternative method that can be applied to a larger class of CFTs, whether unitary or not, though the obtained results are not yet as precise as in the usual method. Examples of this kind of calculations, where the usual method cannot be applied, include the CFTs associated with the Yang-Lee edge singularity in D<6 or with the ordinary surface transition in 3D Ising model.

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