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Geometric phase induced by quantum nonlocality |
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| Authors: | Z.S. Wang Chunfeng Wu L.C. Kwek C.H. Lai V. Vedral |
| Affiliation: | a Department of Physics, National University of Singapore, 2 Science Drive 3, 117542, Singapore b Nanyang Technological University, National Institute of Education, 1, Nanyang Walk, 637616, Singapore c The School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK |
| Abstract: | By analyzing an instructive example, for testing many concepts and approaches in quantum mechanics, of a one-dimensional quantum problem with moving infinite square-well, we define geometric phase of the physical system. We find that there exist three dynamical phases from the energy, the momentum and local change in spatial boundary condition respectively, which is different from the conventional computation of geometric phase. The results show that the geometric phase can fully describe the nonlocal character of quantum behavior. |
| Keywords: | 03.65.Vf 03.65.Ud |
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