Generation and dynamics of vortex lattices in coherent exciton-polariton fields |
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| Authors: | Liew T C H Rubo Yuri G Kavokin A V |
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| Institution: | School of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom. |
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| Abstract: | Vortex dynamics in coherent ensembles of exciton polaritons (condensates) is studied in the framework of the polarization-dependent Gross-Pitaevskii equation. Vortex lattices can be resonantly excited in the polariton field by the interference of three or more optical pumps. Vortex-antivortex pairs can also appear in polariton condensates due to scattering with disorder. The nonlinear vortex dynamics is characterized by interactions of vortex cores and vortex-antivortex recombination. |
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