期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.243601
关键词
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资金
- European Research Council under the European Union [335266]
- EU-FET [QuILMI 295293]
- ERA-NET CHIST-ERA (R-ION consortium)
- University of Nottingham
- German Research Foundation [HO 4787/1-1]
- Engineering and Physical Sciences Research Council [EP/J007854/1] Funding Source: researchfish
- EPSRC [EP/J007854/1] Funding Source: UKRI
We theoretically investigate light propagation and electromagnetically induced transparency in a quasi-one-dimensional gas in which atoms interact strongly via exchange interactions. We focus on the case in which the gas is initially prepared in a many-body state that contains a single excitation and conduct a detailed study of the absorptive and dispersive properties of such a medium. This scenario is achieved in interacting gases of Rydberg atoms with two relevant S states that are coupled through exchange. Of particular interest is the case in which the medium is prepared in an entangled spin-wave state. This, in conjunction with the exchange interaction, gives rise to a nonlocal susceptibility that-in comparison to conventional Rydberg electromagnetically induced transparency-qualitatively alters the absorption and propagation of weak probe light, leading to nonlocal propagation and enhanced absorption.
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