Spontaneous coherence in a cold exciton gas

@article{High2012SpontaneousCI,
  title={Spontaneous coherence in a cold exciton gas},
  author={A. High and J. Leonard and A. Hammack and M. Fogler and L. Butov and A. Kavokin and K. Campman and A. Gossard},
  journal={Nature},
  year={2012},
  volume={483},
  pages={584-588}
}
If bosonic particles are cooled down below the temperature of quantum degeneracy, they can spontaneously form a coherent state in which individual matter waves synchronize and combine. Spontaneous coherence of matter waves forms the basis of a number of fundamental phenomena in physics, including superconductivity, superfluidity and Bose–Einstein condensation. Spontaneous coherence is the key characteristic of condensation in momentum space. Excitons—bound pairs of electrons and holes—form a… Expand
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