Partial quantum revivals of localized condensates in distorted lattices

10 Jan 2020 Ko Dogyun Sun Meng Andreanov Alexei Rubo Y. G. Savenko I. G.

We report on a peculiar propagation of bosons loaded by a short Laguerre-Gaussian pulse in a nearly flat band of a lattice potential. Taking a system of exciton-polaritons in a kagome lattice as an example, we show that an initially localized condensate propagates in a specific direction in space if anisotropy is taken into account... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • OPTICS