Relation between concurrence and Berry phase of an entangled state of two spin- particlesB. Basu
Physics and Applied Mathematics Unit, Indian Statistical Institute Kolkata-700108, India
received 21 October 2005; accepted in final form 24 January 2006
published online 10 February 2006
We have studied here the influence of the Berry phase generated due to a cyclic evolution of an entangled state of two spin-(1/2) particles. It is shown that the measure of formation of entanglement is related to the cyclic geometric phase of the individual spins.
11.10.-z - Field theory.
03.65.Vf - Phases: geometric; dynamic or topological.
03.67.Mn - Entanglement production, characterization, and manipulation.
© EDP Sciences 2006