Quantum Many-Body Scar States in Two-Dimensional Rydberg Atom Arrays

24 Jun 2020 Lin Cheng-Ju Calvera Vladimir Hsieh Timothy H.

We find exponentially many exact quantum many-body scar states in a two-dimensional PXP model -- an effective model for a two-dimensional Rydberg atom array in the nearest-neighbor blockade regime. Such scar states are remarkably simple valence bond solids despite being at effectively infinite temperature, and thus strongly violate the eigenstate thermalization hypothesis... (read more)

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Categories


  • QUANTUM GASES
  • STATISTICAL MECHANICS
  • QUANTUM PHYSICS