title: Phase diagram and quench dynamics of the cluster-XY spin chain.
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 nontrivial behavior depending on the phase of the initial state and the critical point.
authors.affiliation: Perimeter Institute for Theoretical Physics, 31 Caroline Street North, Waterloo, Ontario, Canada N2L 2Y5. smontesvalencia@perimeterinstitute.ca
authors.forename: Sebastián
authors.initials: S
authors.lastname: Montes
authors.forename: Alioscia
authors.initials: A
authors.lastname: Hamma