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  • Letter
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Supersolidity in Rydberg tweezer arrays

Lukas Homeier1,2,*, Simon Hollerith3, Sebastian Geier4, Neng-Chun Chiu3, Antoine Browaeys5, and Lode Pollet1,2,†

  • *Contact author: lukas.homeier@jila.colorado.edu
  • †Contact author: lode.pollet@physik.uni-muenchen.de
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Phys. Rev. A 111, L011305 – Published 31 January, 2025

DOI: https://doi.org/10.1103/PhysRevA.111.L011305

Abstract

Rydberg tweezer arrays provide a versatile platform to explore quantum magnets with dipolar XY or van der Waals Ising ZZ interactions. Here, we propose a scheme combining dipolar and van der Waals interactions between two Rydberg states, where the amplitude of the latter can be greater than that of the former, realizing an extended Hubbard model with long-range tunnelings in optical tweezer arrays. On the triangular lattice with repulsive interactions, we predict the existence of a robust supersolid phase with a critical entropy per particle S/N≈0.19 accessible in current Rydberg tweezer experiments supported by large-scale quantum Monte Carlo simulations. We further demonstrate the experimental feasibility by identifying pairs of Rydberg states in Rb87 realizing the required interactions. Such a lattice supersolid is long lived, found over a wide parameter range in an isotropic and flat two-dimensional geometry, and can be realized for hundreds of particles allowing one to directly probe the defect-induced picture of supersolids. Its thermodynamical and dynamical properties can hence be studied at a far larger scale than hitherto possible.

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Phys. Rev. A 111, L011305– Published 31 January, 2025
  • Received 31 July 2024
  • Revised 15 January 2025
  • Accepted 15 January 2025
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