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Fermionic superfluidity with imbalanced spin populations.

PubMed
Authors: Zwierlein MW, Schirotzek A, Schunck CH, Ketterle W

Year

2006

Paper ID

12834

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

94

Citations

888

Abstract

We established superfluidity in a two-state mixture of ultracold fermionic atoms with imbalanced state populations. This study relates to the long-standing debate about the nature of the superfluid state in Fermi systems. Indicators for superfluidity were condensates of fermion pairs and vortices in rotating clouds. For strong interactions, near a Feshbach resonance, superfluidity was observed for a broad range of population imbalances. We mapped out the superfluid regime as a function of interaction strength and population imbalance and characterized the quantum phase transition to the normal state, known as the Pauli limit of superfluidity.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We established superfluidity in a two-state mixture of ultracold fermionic atoms with imbalanced state populations.

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