Data from "An ϵ-pseudoclassical model for quantum resonances in a cold dilute atomic gas periodically driven by finite-duration standing-wave laser pulses"

Astier, Hippolyte P. A. G. (University of Cambridge, UK); Beswick, Benjamin T. (Durham University, UK); Andersen, Mikkel F. (University of Otago, New Zealand); Daszuta, Boris (University of Otago, New Zealand); Gardiner, Simon A.  (Durham University, UK); Hughes, Ifan G. (Durham University, UK)

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Data from "An ϵ-pseudoclassical model for quantum resonances in a cold dilute atomic gas periodically driven by finite-duration standing-wave laser pulses" Open Access

Atom interferometers are a useful tool for precision measurements of fundamental physical phenomena, ranging from local gravitational field strength to the atomic fine structure constant. In such experiments, it is desirable to implement a high momentum transfer ``beam-splitter,'' which may be achieved by inducing quantum resonance in a finite-temperature laser-driven atomic gas. We use Monte Carlo simulations to investigate these quantum resonances in the regime where the gas receives laser pulses of finite duration, and demonstrate that an $\epsilon$-classical model for the dynamics of the gas atoms is capable of reproducing quantum resonant behavior for both zero-temperature and finite-temperature non-interacting gases. We show that this model agrees well with the fully quantum treatment of the system over a time-scale set by the choice of experimental parameters. We also show that this model is capable of correctly treating the time-reversal mechanism necessary for implementing an interferometer with this physical configuration.

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Resource type: Dataset
Contributors: Creator: Beswick, Benjamin T. ¹
Contact person: Beswick, Benjamin T. ¹
Creator: Astier, Hippolyte P. A. G. ²
Creator: Gardiner, Simon A. ¹
Creator: Hughes, Ifan G. ¹
Creator: Andersen, Mikkel F. ³
Creator: Daszuta, Boris ³

¹ Durham University, UK
² University of Cambridge, UK
³ University of Otago, New Zealand
Funder: Leverhulme Trust
Research methods
Other description: Data were produced using the Python programming language and plotted using the Matplotlib.pyplot module. Figure 1 was produced using Inkscape.
Keyword: quantum resonance
cold atomic gas
laser pulses
atomic physics
Subject: Physics
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Identifier: ark:/32150/rj4304528
Publisher: Durham University
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Date Uploaded: 26 April 2016, 17:04:38
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