10511

Coherent transport by adiabatic passage on atom chips

T. Morgan, L. J. O’Riordan, N. Crowley, B. O’Sullivan, Th. Busch
Department of Physics, University College Cork, Cork, Ireland
arXiv:1309.2451 [quant-ph], (10 Sep 2013)

@article{2013arXiv1309.2451M,

   author={Morgan}, T. and {O’Riordan}, L.~J. and {Crowley}, N. and {O’Sullivan}, B. and {Busch}, T.},

   title={"{Coherent transport by adiabatic passage on atom chips}"},

   journal={ArXiv e-prints},

   archivePrefix={"arXiv"},

   eprint={1309.2451},

   primaryClass={"quant-ph"},

   keywords={Quantum Physics, Condensed Matter – Quantum Gases},

   year={2013},

   month={sep},

   adsurl={http://adsabs.harvard.edu/abs/2013arXiv1309.2451M},

   adsnote={Provided by the SAO/NASA Astrophysics Data System}

}

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Adiabatic techniques offer some of the most promising tools to achieve high-fidelity control of the centre-of-mass degree of freedom of single atoms. As their main requirement is to follow an eigenstate of the system, constraints on timing and field strength stability are usually low, especially for trapped systems. In this paper we present a detailed example of a technique to adiabatically transport a single atom between different waveguides on an atom chip. To ensure that all conditions are fulfilled, we carry out fully three dimensional simulations of the system, using experimentally realistic parameters. We also detail our method for simulating the system in very reasonable timescales on a consumer desktop machine by leveraging the power of GPU computing.
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