9th Bologna Workshop on CFT and Integrable Models

Session

Wednesday afternoon

Wed-pm

Sep 17, 2014, 2:30 PM

Aula Magna (Dept. of Physics and Astronomy)

Conveners

Wednesday afternoon

• Giuseppe Mussardo (TS)

17. Discretely holomorphic observables in the chiral Potts model

Dr Robert Weston (Heriot-Watt University)

9/17/14, 2:30 PM

Plenary Talk

31. Recurrence Relation for Conformal Blocks

Mr Emilio Trevisani (Porto University)

9/17/14, 4:00 PM

Talk

We generalize the idea of 1307.6856 to build conformal blocks of a generic CFT (in dimension d>2) using a recurrence relation, idea which has roots in a paper by Zamolodchikov (1984) originally applied to Virasoro blocks in 2 dimensions. Generalizing this construction we are able to find a recurrence relation to build conformal blocks associated to the four point function of vector operators.

29. Excited state entanglement in conformal field theory: extensivity and the role of microscopic detail

Tamas Palmai (SISSA, INFN TS)

9/17/14, 4:30 PM

Talk

We study the excited state subsystem purity (equivalent to 2nd Renyi entropy) as a measure of entanglement in 1+1d conformal field theories. In order to access the highly excited states we generalize the replica approach and develop a systematic framework to treat arbitrary states (in particular descendants) by means of novel CFT techniques including transformation of descendant fields under...