Coherent emission of atomic soliton pairs by Feshbach-resonance tuning
Humberto Michinel, \'Angel Paredes, Mar\'ia M. Valado, and David, Feijoo
TL;DR
This paper proposes simple methods to generate coherent pairs of atomic solitons in a Bose-Einstein Condensate using Feshbach-resonance tuning, with potential applications in soliton interferometry.
Contribution
It introduces two straightforward designs for matter-wave beam splitters that produce atomic soliton pairs through controlled scattering length manipulation.
Findings
Numerical simulations confirm the feasibility of the designs.
The methods are compatible with current BEC experimental setups.
Potential for developing soliton-based interferometers.
Abstract
We present two simple designs of matter-wave beam splitters in a trapped Bose-Einstein Condensate (BEC). In our scheme, identical pairs of atomic solitons are produced by an adequate control --- in time and/or space --- of the scattering length. Our analysis is performed by numerical integration of the Gross-Pitaevskii equation and supported by several analytic estimates. Our results show that these devices can be implemented in the frame of current BEC experiments. The system has potential applications for the construction of a soliton interferometer.
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