Professor Christopher Foot: Publications

Observation of the BKT Transition in a 2D Bose Gas via Matter-Wave Interferometry

(2021)

Authors:

Shinichi Sunami, Vijay P Singh, David Garrick, Abel Beregi, Adam J Barker, Kathrin Luksch, Elliot Bentine, Ludwig Mathey, Christopher J Foot

High-flux, adjustable, compact cold-atom source.

Optics Express Optica Publishing Group 29:14 (2021) 21143-21159

Authors:

Sean Ravenhall, Benjamin Yuen, Chris Foot

AtomECS: Simulate laser cooling and magneto-optical traps

(2021)

Authors:

X Chen, M Zeuner, U Schneider, CJ Foot, TL Harte, E Bentine

Faraday imaging induced squeezing of a double-well Bose-Einstein condensate

(2021)

Authors:

Ebubechukwu O Ilo-Okeke, Shinichi Sunami, Christopher J Foot, Tim Byrnes

Coherent splitting of two-dimensional Bose gases in magnetic potentials

New Journal of Physics IOP Publishing 22:10 (2020) 103040

Authors:

Aj Barker, S Sunami, D Garrick, A Beregi, K Luksch, E Bentine, Cj Foot

Abstract:

Investigating out-of-equilibrium dynamics with two-dimensional (2D) systems is of widespread theoretical interest, as these systems are strongly influenced by fluctuations and there exists a superfluid phase transition at a finite temperature. In this work, we realise matter-wave interference for degenerate Bose gases, including the first demonstration of coherent splitting of 2D Bose gases using magnetic trapping potentials. We improve the fringe contrast by imaging only a thin slice of the expanded atom clouds, which will be necessary for subsequent studies on the relaxation of the gas following a quantum quench.

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