Spin-orbit gauge and quantum spin Hall effect |
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Authors: | B Basu P Bandyopadhyay |
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Institution: | Physics and Applied Mathematics Unit, Indian Statistical Institute, Kolkata-700108, India |
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Abstract: | We have shown that the non-Abelian spin-orbit gauge field strength of the Rashba and Dresselhaus interactions, when split into two Abelian field strengths, the Hamiltonian of the system can be re-expressed as a Landau level problem with a particular relation between the two coupling parameters. The quantum levels are created with up and down spins with opposite chirality and leads to the quantum spin Hall effect. |
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Keywords: | 71 70 Ej 71 70 Di 72 25 Dc |
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