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|Title:||Geometric phase for entangled states of two spin-1/2 particles in rotating magnetic field|
|Authors:||Tong, D.M. |
|Source:||Tong, D.M., Kwek, L.C., Oh, C.H. (2003-01-31). Geometric phase for entangled states of two spin-1/2 particles in rotating magnetic field. Journal of Physics A: Mathematical and General 36 (4) : 1149-1157. ScholarBank@NUS Repository. https://doi.org/10.1088/0305-4470/36/4/320|
|Abstract:||The geometric phase for states of two spin-1/2 particles in rotating magnetic field is calculated, in particular, the noncyclic and cyclic non-adiabatic phases for the general case are explicitly derived and discussed. We find that the cyclic geometric phase for the entangled state can always be written as a sum of the phases of the two particles respectively; the same cannot be said for the noncyclic phase. We also investigate the geometric phase of mixed state of one particle in a biparticle system, and we find that the geometric phase for one subsystem of an entangled system is always affected by another subsystem of the entangled system.|
|Source Title:||Journal of Physics A: Mathematical and General|
|Appears in Collections:||Staff Publications|
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