Journal
PHYSICAL REVIEW B
Volume 78, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.134517
Keywords
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Funding
- EPSRC-GB
- National Science Foundation [PHY05-51164, DMR-0645461, DMR-0213706]
- EPSRC [EP/E054382/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E054382/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien [GRANTS:13632038, 0844115] Funding Source: National Science Foundation
- Division Of Materials Research [0844115, GRANTS:13632038] Funding Source: National Science Foundation
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We consider a mixture of single-component bosonic and fermionic atoms with an interspecies interaction that is varied using a Feshbach resonance. By performing a mean-field analysis of a two-channel model, which describes both narrow and broad Feshbach resonances, we find an unexpectedly rich phase diagram at zero temperature: Bose-condensed and non-Bose-condensed phases form a variety of phase-separated states that are accompanied by both critical and tricritical points. We discuss the implications of our results for the experimentally observed collapse of Bose-Fermi mixtures on the attractive side of the Feshbach resonance, and we make predictions for future experiments on Bose-Fermi mixtures close to a Feshbach resonance.
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