Anderson Transition of Cold Atoms with Synthetic Spin-Orbit Coupling in Two-Dimensional Speckle Potentials
We investigate the metal-insulator transition occurring in two-dimensional (2D) systems of noninteracting atoms in the presence of artificial spin-orbit interactions and a spatially correlated disorder generated by laser speckles. Based on a high order discretization scheme, we calculate the precise...
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| Veröffentlicht in: | Physical review letters 2017-03, Vol.118 (10), p.105301-105301, Article 105301 |
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| creator | Orso, Giuliano |
| description | We investigate the metal-insulator transition occurring in two-dimensional (2D) systems of noninteracting atoms in the presence of artificial spin-orbit interactions and a spatially correlated disorder generated by laser speckles. Based on a high order discretization scheme, we calculate the precise position of the mobility edge and verify that the transition belongs to the symplectic universality class. We show that the mobility edge depends strongly on the mixing angle between Rashba and Dresselhaus spin-orbit couplings. For equal couplings a non-power-law divergence is found, signaling the crossing to the orthogonal class, where such a 2D transition is forbidden. |
| doi_str_mv | 10.1103/PhysRevLett.118.105301 |
| format | Article |
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| source | American Physical Society Journals |
| subjects | Cold atoms Couplings Discretization Disorders Lasers Mathematical analysis Metal-insulator transition Spin-orbit interactions |
| title | Anderson Transition of Cold Atoms with Synthetic Spin-Orbit Coupling in Two-Dimensional Speckle Potentials |
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