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Updated: Jun 23, 2026

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
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Published on: October 31, 2019

Driving superfluidity with photoassociation.

M Mackie, E Timmermans, R Cote

    Optics Express
    |May 7, 2009
    PubMed
    Summary
    This summary is machine-generated.

    This study explores photoassociation in Fermi degenerate gases to enhance the critical temperature of the BCS transition to a superfluid state. High light intensities are key to controlling this quantum phenomenon.

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    SNARE-mediated Fusion of Single Proteoliposomes with Tethered Supported Bilayers in a Microfluidic Flow Cell Monitored by Polarized TIRF Microscopy

    Published on: August 24, 2016

    Area of Science:

    • Atomic, Molecular, and Optical Physics
    • Quantum Gases
    • Condensed Matter Physics

    Background:

    • Fermi degenerate gases are crucial for studying quantum phenomena like superfluidity.
    • The Bardeen-Cooper-Schrieffer (BCS) theory describes conventional superconductivity and superfluidity.
    • Controlling atom-atom interactions is essential for manipulating quantum states.

    Purpose of the Study:

    • To theoretically investigate photoassociation in two-component Fermi degenerate gases.
    • To explore methods for increasing the critical temperature of the BCS transition to the superfluid state.
    • To understand the role of far-off-resonance photoassociating light in controlling quantum gas properties.

    Main Methods:

    • Theoretical examination of photoassociation dynamics.
    • Analysis of atom-atom interactions and their influence on the BCS transition.
    • Modeling the effects of high-intensity, far-off-resonance light.

    Main Results:

    • Photoassociation can be used to adjust atom-atom interactions.
    • Increasing atom-atom interactions can raise the critical temperature for the BCS transition.
    • Far-off-resonance light is necessary to prevent molecular decay and enable interaction control.

    Conclusions:

    • Photoassociation offers a pathway to enhance superfluid transition temperatures in Fermi gases.
    • Precise control over atom-atom interactions via light is feasible.
    • High light intensities are a critical requirement for effective manipulation of the BCS transition.