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 ...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-momentummixing interactions between highly correlated spin and momentum modes,which may open avenues for exploring spin-momentum squeezing and spatially distributed multipartite entanglement.展开更多
基金National Natural Science Foundation of China(12274473,12135018)National Key Research and Development Program of China(2021YFA0718304)+1 种基金Strategic Priority Research Program of CAS(XDB28000000)Fundamental Research Funds for the Central Universities(24qnpy120)。
文摘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-momentummixing interactions between highly correlated spin and momentum modes,which may open avenues for exploring spin-momentum squeezing and spatially distributed multipartite entanglement.
