Spontaneous self-ordered states of vortex-antivortex pairs in a Polariton Condensate
arXiv:1302.2817 · doi:10.1103/PhysRevB.88.201303
Abstract
Polariton condensates have proved to be model systems to investigate topological defects, as they allow for direct and non-destructive imaging of the condensate complex order parameter. The fundamental topological excitations of such systems are quantized vortices. In specific configurations, further ordering can bring the formation of vortex lattices. In this work we demonstrate the spontaneous formation of ordered vortical states, consisting in geometrically self-arranged vortex-antivortex pairs. A mean-field generalized Gross-Pitaevskii model reproduces and supports the physics of the observed phenomenology.
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Cited by in corpus (20)
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- Instability-induced formation and non-equilibrium dynamics of phase defects in polariton condensates
- Chiral modes at exceptional points in exciton-polariton quantum fluids
- Annular Vortex Chain in a Resonantly Pumped Polariton Superfluid
- Spin-Flipping Half Vortex in a Macroscopic Polariton Spinor Ring Condensate
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