SP Seminar @SISSA Via Bonomea 265 -Thursday 16 January at 3pm - Giacomo GORI

[CM Section]

Joint ICTP/SISSA Statistical Physics Seminar

Kindly note unusual day and time

Thursday 16 January at 3:00 p.m.
venue: SISSA, Via Bonomea 265

Speaker: Giacomo GORI (SISSA)

Title: Geometry of Bounded Critical Phenomena

Abstract:

What would you do if you were a system at criticality confined in

a bounded domain? Of course you would forget about details of

the interaction, and lattice spacing, flowing to an RG fixed point.

Besides attaining this bulk universal behavior you would also try

(boundary condition permitting) to forget about the confinement

becoming "as uniform as possible". Implementing this requirement

in absolute geometric language, the one used by general relativity,

we obtain novel predictions for the structure of one- and two-point

correlators. These predictions are tested successfully against

numerical experiments yielding a precise estimate of a critical

exponent of the Ising model in three dimension. New preliminary

results for the three dimensional 3d xy model will also be presented.