Alessandro	Silva	- ICTP Trieste	#
Statistics of the work done in a quantum quench, universality and the 
critical Casimir effect. #	
I  discuss a few complementary 
characterizations of the response of a strongly correlated 
quantum system to a sudden quench of one of its control 
parameters.  After exploring various intriguing connections 
between quantum quenches, X-ray edge singularities and the 
Critical Casimir effect, I focus on quantum critical systems 
and describe in detail how universality is encoded in the 
fidelity susceptibility, in the statistics of the work done in 
a quench at low energies and in the asymptotics of correlators 
out of equilibrium.