Journal
PHYSICAL REVIEW A
Volume 85, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.85.021602
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Funding
- Harvard-MIT CUA
- DARPA
- NSF [DMR-07-05472]
- AFOSR Quantum Simulation MURI
- AFOSR MURI on UltracoldMolecules
- ARO-MURI on Atomtronics
- Academy of Finland
- DFG [FOR 801]
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We theoretically analyze inverse radio-frequency (rf) spectroscopy experiments in two-component Fermi gases. We consider a small number of impurity atoms interacting strongly with a bath of majority atoms. In two-dimensional geometries we find that the main features of the rf spectrum correspond to an attractive polaron and a metastable repulsive polaron. Our results suggest that the attractive polaron has been observed in a recent experiment [B. Frohlich et al., Phys. Rev. Lett. 106, 105301 (2011)].
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