Meson-polariton and string dynamics via cavity coupling in Rydberg atom array
Jan 8, 2025Citations per year
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Abstract: (arXiv)
We investigate the real time meson and string dynamics of one dimensional Rydberg atom arrays in presence of a collective cavity mode. We derive an effective description in terms of a Tavis-Cummings-Ising model, whose phase diagram features ordered and disordered phases. Single domain walls on top of ordered states behave differently from those found in Ising models, featuring strong anisotropy because of the invariant coupling between light and matter. The non-local nature of the cavity mode is instead affecting meson and string dynamics drastically. Meson hybridizes coherently with the cavity photons, leading to composite meson-polariton excitations. Strings, differently from local interacting theories, acquire a finite kinetic energy and propagate freely thanks to the non-local interaction between the underlying domain-walls mediated by the cavity mode. We conclude by examining the effect of cavity losses, proposing a state-preparation protocol which actively uses the cavity mode, and presenting a concrete experimental blueprint.Note:
- 7 pages, 4 figures. Supplementary material available on request. Comments are welcome
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