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Published on: March 30, 2017
Induced P-wave superfluidity in asymmetric fermi gases
Aurel Bulgac1, Michael McNeil Forbes, Achim Schwenk
1Department of Physics, University of Washington, Seattle, 98195-1560, USA. bulgac@phys.washington.edu
Physical Review Letters
|August 16, 2006
Summary
Two new intraspecies P-wave superfluid phases emerge in asymmetric Fermi systems. These findings, driven by molecular BEC phonons and density fluctuations, may be realized in spin-polarized Fermi gases.
Area of Science:
- Condensed Matter Physics
- Quantum Gases
Background:
- Two-component Fermi systems are crucial for studying superfluidity.
- Asymmetric systems and short-range interactions present unique theoretical challenges.
Purpose of the Study:
- To investigate the emergence of novel superfluid phases in asymmetric Fermi systems.
- To explore the mechanisms driving P-wave superfluidity in both BEC and BCS limits.
Main Methods:
- Theoretical analysis of two-component asymmetric Fermi systems.
- Investigation of S-wave interactions in the BEC and BCS limits.
Main Results:
- Discovery of two new intraspecies P-wave superfluid phases.
- Phonons in the molecular BEC induce P-wave superfluidity in excess fermions.
- Density fluctuations induce P-wave superfluidity in both majority and minority species in the BCS limit.
Conclusions:
- P-wave superfluidity can arise from S-wave interactions in asymmetric Fermi systems.
- These novel phases offer new avenues for experimental realization in spin-polarized Fermi gases.
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