Benjamin T. Beswick
Lattice-depth measurement using continuous grating atom diffraction
Beswick, Benjamin T.; Hughes, Ifan G.; Gardiner, Simon A.
Professor Ifan Hughes email@example.com
Professor Simon Gardiner firstname.lastname@example.org
We propose an approach to characterizing the depths of optical lattices, in which either an atomic gas is given a finite initial momentum or, alternatively, a corresponding “walking” configuration is applied to the optical lattice itself. This leads to high-amplitude oscillations in the zeroth diffraction order which are robust to finite-temperature effects. We present a simplified model yielding an analytic formula describing such oscillations for a gas assumed to be at zero temperature. This model is extended to include atoms with initial momenta detuned from our chosen initial value, before analyzing the full finite-temperature response of the system. Finally, we present a steady-state solution to the finite-temperature system, which in principle makes possible the measurement of both the lattice depth and the initial temperature of the atomic gas from a single common data set.
Beswick, B. T., Hughes, I. G., & Gardiner, S. A. (2019). Lattice-depth measurement using continuous grating atom diffraction. Physical Review A, 100(6), Article 063629. https://doi.org/10.1103/physreva.100.063629
|Journal Article Type||Article|
|Acceptance Date||Oct 8, 2019|
|Online Publication Date||Dec 16, 2019|
|Publication Date||Dec 16, 2019|
|Deposit Date||Dec 19, 2019|
|Publicly Available Date||Jan 8, 2020|
|Journal||Physical Review A|
|Publisher||American Physical Society|
|Peer Reviewed||Peer Reviewed|
Published Journal Article
Reprinted with permission from the American Physical Society: Beswick, Benjamin T., Hughes, Ifan G. & Gardiner, Simon A. (2019). Lattice-depth measurement using continuous grating atom diffraction. Physical Review A 100(6): 063629 © 2019 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
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