Dynamics of geometric phase in the adiabatic limit of quantum phase transition
arXiv:0908.3299 · doi:10.1016/j.physleta.2009.12.072
Abstract
The geometric phase associated with a many body ground state exhibits a signature of quantum phase transition. In this context, we have studied the behaviour of the geometric phase during a linear quench caused by a gradual turning off of the magnetic field interacting with a spin chain.
5 pages, 1 eps fig. published version