An example of quantum control via Feshbach resonance in Bose-Einstein condensates
S. Choi, N. P. Bigelow
TL;DR
This paper demonstrates quantum control in Bose-Einstein condensates using Feshbach resonance to induce oscillations and enhance quantum squeezing through tuning the scattering length.
Contribution
It provides a simple example of controlling BEC dynamics via Feshbach resonance, highlighting quantum interference effects and squeezing enhancement.
Findings
Oscillatory motion of condensate generated by tuning scattering length.
Periodic enhancement of quantum squeezing observed.
Quantum interference effects demonstrated in BEC control.
Abstract
We present a simple example of quantum control in Bose-Einstein condensates via Feshbach resonance. By tuning an initially positive scattering length to zero, it is possible to generate oscillatory motion of the condensate that results from quantum interference. The density oscillation is accompanied by a periodic enhancement of the quantum mechanical squeezing of the amplitude quadrature.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum, superfluid, helium dynamics · Quantum Mechanics and Applications