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Condens. Matter 2019, 4(1), 10; https://doi.org/10.3390/condmat4010010

Impact of Lattice Vibrations on the Dynamics of a Spinor Atom-Optics Kicked Rotor

1
Dodd-Walls Centre for Photonic and Quantum Technologies, Department of Physics, University of Auckland, 92019 Auckland, New Zealand
2
Institute for Theoretical Physics, Heidelberg University, Philosophenweg 12, 69120 Heidelberg, Germany
3
Department of Physics, Oklahoma State University, Stillwater, OK 74078-3072, USA
4
Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università di Parma, Campus Universitario, Parco Area delle Scienze n. 7/a, I-43124 Parma, Italy
5
Italian Institute for Nuclear Physics (INFN), Sezione di Milano Bicocca, Gruppo Collegato di Parma, 43124 Parma, Italy
SuperFluctuations 2018: Fluctuations and Highly Non Linear Phenomena in Superfluids and Superconductors, San Benedetto del Tronto, Italy, 5–7 September 2018.
*
Author to whom correspondence should be addressed.
Received: 27 December 2018 / Accepted: 8 January 2019 / Published: 14 January 2019
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Abstract

We investigate the effect of amplitude and phase noise on the dynamics of a discrete-time quantum walk and its related evolution. Our findings underline the robustness of the motion with respect to these noise sources, and can explain the stability of quantum walks that has recently been observed experimentally. This opens the road to measure topological properties of an atom-optics double kicked rotor with an additional internal spin degree of freedom. View Full-Text
Keywords: Bose–Einstein condensates; ultracold atoms; quantum walks; topological phases; dynamical phases Bose–Einstein condensates; ultracold atoms; quantum walks; topological phases; dynamical phases
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Groiseau, C.; Wagner, A.; Summy, G.S.; Wimberger, S. Impact of Lattice Vibrations on the Dynamics of a Spinor Atom-Optics Kicked Rotor. Condens. Matter 2019, 4, 10.

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