期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.163201
关键词
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资金
- Carl Zeiss foundation
- Humboldt foundation
- Deutsche Forschungsgemeinschaft (DFG) [SFB/TRR21, PF 381/4-1]
In a combined experimental and theoretical effort we report on two novel types of ultracold long-range Rydberg molecules. First, we demonstrate the creation of triatomic molecules of one Rydberg atom and two ground-state atoms in a single-step photoassociation. Second, we assign a series of excited dimer states that are bound by a so far unexplored mechanism based on internal quantum reflection at a steep potential drop. The properties of the Rydberg molecules identified in this work qualify them as prototypes for a new type of chemistry at ultracold temperatures.
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