Spielman, I.
, Juzeliunas, G.
, Burba, D.
and Barbiero, L.
(2025),
Many body phases from effective geometrical frustration and long-range interactions in a subwavelength lattic, Communications Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=958398
(Accessed April 13, 2025)
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Many body phases from effective geometrical frustration and long-range interactions in a subwavelength lattic
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Author(s)
, Gediminas Juzeliunas, Domantas Burba, Luca Barbiero
Abstract
Geometrical frustration and long-range couplings are key contributors to structural transitions throughout physics. We design a scheme where both ingredients naturally emerge in a Raman induced subwavelength lattice. We first demonstrate that Raman-coupled multicomponent quantum gases can realize a highly versatile frustrated Hubbard Hamiltonian with long-range interactions. The deeply subwavelength lattice period leads to strong long-range interparticle repulsion with tunable range. We numerically demonstrate that the combination of frustration and long-range couplings generates intriguing many-body phases of bosons, including a range of density-wave and superfluid phases with broken translational and time reversal symmetries, respectively. Our results thus represent a powerful approach for efficiently combining long-range interactions and frustration in quantum simulations.Citation
Communications Physics
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Created April 8, 2025, Updated April 9, 2025