paper

Phase diagram and quench dynamics of the Cluster-XY spin chain

arXiv:1112.4414 · doi:10.1103/PhysRevE.86.021101

Abstract

We study the complete phase space and the quench dynamics of an exactly solvable spin chain, the cluster-XY model. In this chain, the cluster term and the XY couplings compete to give a rich phase diagram. The phase diagram is studied by means of the quantum geometric tensor. We study the time evolution of the system after a critical quantum quench using the Loschmidt echo. The structure of the revivals after critical quantum quenches presents a non trivial behavior depending on the phase of the initial state and the critical point.

Some references added. Better looking plots. Some paragraphs were rewritten for readibility

References in corpus (22)

Cited by in corpus (53)