期刊
SCIENCE
卷 332, 期 6027, 页码 336-338出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1201351
关键词
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资金
- Helmholtz Alliance [HA216/EMMI]
- Heidelberg Center for Quantum Dynamics
- IMPRS-QD
Systems consisting of few interacting fermions are the building blocks of matter, with atoms and nuclei being the most prominent examples. We have created a few-body quantum system with complete control over its quantum state using ultracold fermionic atoms in an optical dipole trap. Ground-state systems consisting of 1 to 10 particles are prepared with fidelities of similar to 90%. We can tune the interparticle interactions to arbitrary values using a Feshbach resonance and have observed the interaction-induced energy shift for a pair of repulsively interacting atoms. This work is expected to enable quantum simulation of strongly correlated few-body systems.
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