Creating stable molecular condensate using a generalized Raman adiabatic passage scheme

TL;DR

This paper demonstrates a method to create stable molecules from atomic Bose condensates using a generalized Raman adiabatic passage, overcoming previous limitations imposed by mean-field shifts.

Contribution

It introduces a novel adiabatic passage scheme that compensates mean-field phase shifts, enabling efficient molecule formation without instability.

Findings

Mean-field shifts can be compensated in adiabatic passage.

Stable molecule creation is achievable despite mean-field effects.

The proposed method avoids dynamical instability during conversion.

Abstract

We study the Feshbach resonance assisted stimulated adiabatic passage of an effective coupling field for creating stable molecules from atomic Bose condensate. By exploring the properties of the coherent population trapping state, we show that, contrary to the previous belief, mean-field shifts need not to limit the conversion efficiency as long as one chooses an adiabatic passage route that compensates the collision mean-field phase shifts and avoids the dynamical unstable regime.