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Spin-momentum-mixing interactions with cavity-mediated supersolid in spinor condensates
Jingjun You, Su Yi, and Yuangang Deng
Ultracold atoms with cavity-mediated long-range interactions offer a promising platform for exploring emergent quantum phenomena. Building on recent experimental progress, we propose a novel scheme to create supersolid square and plane wave phases in spin-1/2 condensates. We demonstrate that the self-ordered supersolid phase supports an undamped gapless Goldstone mode across a broad parameter regime. This proposal is comprehensively described by the two-component Tavis–Cummings model with hosting a U(1) symmetry. By exploiting the superradiant photon-exchange process, our approach also constructs the cavity-mediated spin-momentum-mixing interactions between highly correlated spin and momentum modes, which may open avenues for exploring spin-momentum squeezing and spatially distributed multipartite entanglement. Ultracold atoms with cavity-mediated long-range interactions offer a promising platform for exploring emergent quantum phenomena. Building on recent experimental progress, we propose a novel scheme to create supersolid square and plane wave phases in spin-1/2 condensates. We demonstrate that the self-ordered supersolid phase supports an undamped gapless Goldstone mode across a broad parameter regime. This proposal is comprehensively described by the two-component Tavis–Cummings model with hosting a U(1) symmetry. By exploiting the superradiant photon-exchange process, our approach also constructs the cavity-mediated spin-momentum-mixing interactions between highly correlated spin and momentum modes, which may open avenues for exploring spin-momentum squeezing and spatially distributed multipartite entanglement.
Photonics Research
- Publication Date: Apr. 01, 2025
- Vol. 13, Issue 4, 987 (2025)
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