Black Holes and Wormholes in spinor polariton condensates
  We propose a new system for the study of event horizons and black holes - a Bose-Einstein condensate of exciton-polaritons. Hawking radiation from a closed horizon in 2D is observed in numerical experiments. We simulate inter-Universe and intra-Universe wormholes capitalizing on the spinor nature of polariton condensates and on the spin dependence of polariton-polariton interactions. 
D.D. Solnyshkov, H. Flayac, G. Malpuech
cond-mat.mes-hall cond-mat.quant-gas gr-qc