Evolution of entangled degree with geometric phases and initial conditions are investigated for two-particle system in nuclear magnetic resonance under cyclic evolution. We find that a perfect entanglement may be obtained by controlling the geometric phases and initial conditions, which is helpful to implement a universal entangling geometric quantum gate in nuclear magnetic resonance.
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Univ Western Australia, Sch Phys, Crawley, WA 6009, AustraliaUniv Western Australia, Sch Phys, Crawley, WA 6009, Australia
Rodriguez, J. P. J.
Li, Z. J.
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Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia
Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R ChinaUniv Western Australia, Sch Phys, Crawley, WA 6009, Australia
Li, Z. J.
Wang, J. B.
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Univ Western Australia, Sch Phys, Crawley, WA 6009, AustraliaUniv Western Australia, Sch Phys, Crawley, WA 6009, Australia