Spatial and Temporal Coherence in Strongly Coupled Plasmonic Bose-Einstein Condensates
arXiv:2103.10397 · doi:10.1103/PhysRevLett.127.255301
Abstract
We report first-order spatial and temporal correlations in strongly coupled plasmonic Bose-Einstein condensates. The condensate is large, more than twenty times the spatial coherence length of the polaritons in the uncondensed system and hundred times the healing length, making plasmonic lattices an attractive platform for studying long-range spatial correlations in two dimensions (2D). We find that both spatial and temporal coherence display non-exponential decay; the results suggest power-law or stretched exponential behaviour with different exponents for spatial and temporal correlation decays.
arXiv comment13 pages, 16 figures
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- Thermalization rate of polaritons in strongly-coupled molecular systems
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