期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.223002
关键词
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资金
- IQOQI
- Austrian FWF
- MURI
- U.Md. PFC/JQI
- EOARD
- NAME-QUAM
- Canadian NSERC [G121210893]
We discuss techniques to generate long-range interactions in a gas of ground state alkali atoms, by weakly admixing excited Rydberg states with laser light. This provides a tool to engineer strongly correlated phases with reduced decoherence from inelastic collisions and spontaneous emission. As an illustration, we discuss the quantum phases of dressed atoms with dipole-dipole interactions confined in a harmonic potential, as relevant to experiments. We show that residual spontaneous emission from the Rydberg state acts as a heating mechanism, leading to a quantum-classical crossover.
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