Critical dynamics and tree-like spatiotemporal patterns in exciton-polaritoncondensates
arXiv:1904.13183 · doi:10.1103/PhysRevB.99.205301
Abstract
We study nonresonantly pumped exciton-polariton system in the vicinity of the dynamical instability threshold. We find that the system exhibits unique and rich dynamics, which leads to spatiotemporal pattern formation. The patterns have a tree-like structure and are reminiscent of structures that appear in a variety of soft matter systems. Within the approximation of slow and fast time scales, we show that the polariton model exhibits self-replication point in analogy to reaction-diffusion systems.
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