Optical trapping of atomic fermi gases

John E. Thomas; J. Joseph; Bason E. Clancy; L. Luo; J. Kinast; Andrey V. Turlapov

doi:10.1117/12.678574

30 August 2006 Optical trapping and fundamental studies of atomic fermi gases

John E. Thomas, J. Joseph, Bason E. Clancy, L. Luo, J. Kinast, Andrey V. Turlapov

Proceedings Volume 6326, Optical Trapping and Optical Micromanipulation III; 632602 (2006) https://doi.org/10.1117/12.678574
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Optical traps provide tight confinement and very long storage times for atomic gases. Using a single focused beam from a CO₂ laser, we confine a mixture of spin-up and spin-down fermionic ⁶Li atoms, achieving storage times of ten minutes, and evaporative cooling to quantum degeneracy in seconds. A bias magnetic field tunes the gas to a collisional (Feshbach) resonance, producing extremely strong spin-pairing. This system now tests current many-body predictions for high-temperature superconductors, universal interactions in neutron stars, and hydrodynamic flow of quark-gluon plasmas, a state of matter that existed microseconds after the Big Bang.

Citation Download Citation

John E. Thomas, J. Joseph, Bason E. Clancy, L. Luo, J. Kinast, and Andrey V. Turlapov "Optical trapping and fundamental studies of atomic fermi gases", Proc. SPIE 6326, Optical Trapping and Optical Micromanipulation III, 632602 (30 August 2006); https://doi.org/10.1117/12.678574

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