Search Results - "Foot, Christopher J."

Universal scaling of the dynamic BKT transition in quenched 2D Bose gases by Sunami, Shinichi, Singh, Vijay Pal, Garrick, David, Beregi, Abel, Barker, Adam J., Luksch, Kathrin, Bentine, Elliot, Mathey, Ludwig, Foot, Christopher J.

“…The understanding of nonequilibrium dynamics in many-body quantum systems is a fundamental issue in statistical physics. Experiments that probe universal…”
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Inelastic collisions in radiofrequency-dressed mixtures of ultracold atoms by Bentine, Elliot, Barker, Adam J., Luksch, Kathrin, Sunami, Shinichi, Harte, Tiffany L., Yuen, Ben, Foot, Christopher J., Owens, Daniel J., Hutson, Jeremy M.

“…Radiofrequency (rf) -dressed potentials are a promising technique for manipulating atomic mixtures, but so far little work has been undertaken to understand…”
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Gregarious atoms by Foot, Christopher J, Steane, Andrew M

“…Bose-Einstein condensation, a quantum effect that occurs at low energies when the wavefunctions of atoms overlap so that the individual particles become…”
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Quantum Simulations with Bilayer 2D Bose Gases in Multiple-RF-dressed Potentials by Beregi, Abel, Foot, Christopher J, Sunami, Shinichi

“…AVS Quantum Sci. 6, 030501 (2024) Multiple-RF (MRF) dressing allows trapping of ultracold atoms in novel spatial geometries, such as highly controllable…”
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Tunnelling dynamics of a Bose-Einstein condensate in a four-well loop-shaped system by De Liberato, Simone, Foot, Christopher J.

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Observation of a Bilayer Superfluid with Interlayer Coherence by Rydow, Erik, Singh, Vijay P, Beregi, Abel, Chang, En, Mathey, Ludwig, Foot, Christopher J, Sunami, Shinichi

“…Controlling the coupling between different degrees of freedom in many-body systems is a powerful technique for engineering novel phases of matter. We create a…”
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CNN-Based Vortex Detection in Atomic 2D Bose Gases in the Presence of a Phononic Background by Sesodia, Magnus, Sunami, Shinichi, Chang, En, Rydow, Erik, Foot, Christopher J, Beregi, Abel

“…Quantum vortices play a crucial role in both equilibrium and dynamical phenomena in two-dimensional (2D) superfluid systems. Experimental detection of these…”
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Multi-Frequency Atom-Photon Interactions by Yuen, Ben, Foot, Christopher J

“…We present a formalism that enables the analytic calculation of the interaction of a spin-half particle with a polychromatic electromagnetic field. This…”
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Detecting Phase Coherence of 2D Bose Gases via Noise Correlations by Sunami, Shinichi, Singh, Vijay P, Rydow, Erik, Beregi, Abel, Chang, En, Mathey, Ludwig, Foot, Christopher J

“…We measure the noise correlations of two-dimensional (2D) Bose gases after free expansion, and use them to characterize the in-situ phase coherence across the…”
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A single-photon large-momentum-transfer atom interferometry scheme for Sr or Yb atoms with application to determining the fine-structure constant by Schelfhout, Jesse S, Hird, Thomas M, Hughes, Kenneth M, Foot, Christopher J

“…Phys. Rev. A 110, 053309 (2024) The leading experimental determinations of the fine-structure constant, $\alpha$, currently rely on atomic photon-recoil…”
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Faraday imaging induced squeezing of a double-well Bose-Einstein condensate by Ilo-Okeke, Ebubechukwu O, Sunami, Shinichi, Foot, Christopher J, Byrnes, Tim

“…Phys. Rev. A 104, 053324 (2021) We examine how non-destructive measurements generate spin squeezing in an atomic Bose-Einstein condensate confined in a…”
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Universal Scaling of the Dynamic BKT Transition in Quenched 2D Bose Gases by Sunami, Shinichi, Singh, Vijay P, Garrick, David, Beregi, Abel, Barker, Adam J, Luksch, Kathrin, Bentine, Elliot, Mathey, Ludwig, Foot, Christopher J

“…Science 382, 443-447 (2023) While renormalization group theory is a fully established method to capture equilibrium phase transitions, the applicability of RG…”
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Coherent splitting of two-dimensional Bose gases in magnetic potentials by Barker, Adam J, Sunami, Shinichi, Garrick, David, Beregi, Abel, Luksch, Kathrin, Bentine, Elliot, Foot, Christopher J

“…New Journal of Physics 22 103040 (2020) Investigating out-of-equilibrium dynamics with two-dimensional (2D) systems is of widespread theoretical interest, as…”
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Observation of the BKT Transition in a 2D Bose Gas via Matter-Wave Interferometry by Sunami, Shinichi, Singh, Vijay P, Garrick, David, Beregi, Abel, Barker, Adam J, Luksch, Kathrin, Bentine, Elliot, Mathey, Ludwig, Foot, Christopher J

“…Phys. Rev. Lett. 128, 250402 (2022) We probe local phase fluctuations of trapped two-dimensional (2D) Bose gases using matter-wave interferometry. This enables…”
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Applying machine learning optimization methods to the production of a quantum gas by Barker, Adam J, Style, Harry, Luksch, Kathrin, Sunami, Shinichi, Garrick, David, Hill, Felix, Foot, Christopher J, Bentine, Elliot

“…Mach. Learn.: Sci. Technol. 1 015007 (2020) We apply three machine learning strategies to optimize the atomic cooling processes utilized in the production of a…”
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Probing multiple-frequency atom-photon interactions with ultracold atoms by Luksch, Kathrin, Bentine, Elliot, Barker, Adam J, Sunami, Shinichi, Harte, Tiffany L, Yuen, Ben, Foot, Christopher J

“…New J. Phys. 21 073067 (2019) We dress atoms with multiple-radiofrequency fields and investigate the spectrum of transitions driven by an additional probe…”
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Inelastic collisions in radiofrequency-dressed mixtures of ultracold atoms by Bentine, Elliot, Barker, Adam J, Luksch, Kathrin, Sunami, Shinichi, Harte, Tiffany L, Yuen, Ben, Foot, Christopher J, Owens, Daniel J, Hutson, Jeremy M

“…Phys. Rev. Research 2, 033163 (2020) Radiofrequency (RF)-dressed potentials are a promising technique for manipulating atomic mixtures, but so far little work…”
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Ultracold atoms in multiple-radiofrequency dressed adiabatic potentials by Harte, Tiffany Laura, Bentine, Elliot, Luksch, Kathrin, Barker, Adam James, Trypogeorgos, Dimitris, Yuen, Ben, Foot, Christopher J

“…Phys. Rev. A 97, 013616 (2018) We present the first experimental demonstration of a multiple-radiofrequency dressed potential for the configurable magnetic…”
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Matter-wave Atomic Gradiometer Interferometric Sensor (MAGIS-100) by Abe, Mahiro, Adamson, Philip, Borcean, Marcel, Bortoletto, Daniela, Bridges, Kieran, Carman, Samuel P, Chattopadhyay, Swapan, Coleman, Jonathon, Curfman, Noah M, DeRose, Kenneth, Deshpande, Tejas, Dimopoulos, Savas, Foot, Christopher J, Frisch, Josef C, Garber, Benjamin E, Geer, Steve, Gibson, Valerie, Glick, Jonah, Graham, Peter W, Hahn, Steve R, Harnik, Roni, Hawkins, Leonie, Hindley, Sam, Hogan, Jason M, Jiang, Yijun, Kasevich, Mark A, Kellett, Ronald J, Kiburg, Mandy, Kovachy, Tim, Lykken, Joseph D, March-Russell, John, Mitchell, Jeremiah, Murphy, Martin, Nantel, Megan, Nobrega, Lucy E, Plunkett, Robert K, Rajendran, Surjeet, Rudolph, Jan, Sachdeva, Natasha, Safdari, Murtaza, Santucci, James K, Schwartzman, Ariel G, Shipsey, Ian, Swan, Hunter, Valerio, Linda R, Vasonis, Arvydas, Wang, Yiping, Wilkason, Thomas

“…Quantum Sci. Technol. 6, 044003 (2021) MAGIS-100 is a next-generation quantum sensor under construction at Fermilab that aims to explore fundamental physics…”
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Bose gas: Theory and Experiment by Fetter, Alexander L, Foot, Christopher J

“…For many years, $^4$He typified Bose-Einstein superfluids, but recent advances in dilute ultra-cold alkali-metal gases have provided new neutral superfluids…”
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