Relation between concurrence and Berry phase of an entangled state of two spin-(1/2) particles

B Basu
2006 Europhysics letters  
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. \\
doi:10.1209/epl/i2005-10478-2 fatcat:rwdjnjgcrnfvhilaqj7gpyzezy