Feshbach Resonance and Growth of a Bose-Einstein Condensate
C. Yuce, A. Kilic
TL;DR
This paper models Bose-Einstein condensation using the Gross-Pitaevskii equation with gain, demonstrating control over atom number via Feshbach resonance induced by an external magnetic field.
Contribution
It introduces a model incorporating gain and shows how Feshbach resonance can regulate atom injection into BEC.
Findings
Atom number in BEC can be controlled by magnetic field.
Feshbach resonance influences condensate growth.
Modeling approach links thermal cloud and BEC dynamics.
Abstract
Gross-Pitaevskii equation with gain is used to model Bose Einstein condensation (BEC) fed by the surrounding thermal cloud. It is shown that the number of atoms continuously injected into BEC from the reservoir can be controlled by applying the external magnetic field via Feshbach resonance.
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