Enhancing molecular conversion efficiency by a magnetic field pulse sequence

Details Enhancing molecular conversion efficiency by a magnetic field pulse sequence Enhancing molecular conversion efficiency by a magnetic field pulse sequence

2009-09-02

arxiv.org/abs/0909.0414v1

Phys. Rev. A 80, 033621 (2009)

Physics

Condensed Matter

Other Condensed Matter

Revtex, 5 pages, 3 figures, to appear in PRA

Scientific paper

10.1103/PhysRevA.80.033621

We propose a strategy to enhance the atom-to-molecule conversion efficiency near a Feshbach resonance. Based on the mean-field approximation, we derive the fixed point solutions of the classical Hamiltonian. Rabi oscillation between the atomic and molecular states around fixed point solutions and its oscillation period are discussed. By designing a sequence of magnetic field pulses in analogy with Ramsey experiments, we show that a much higher atom-to-molecule conversion efficiency can be accessed by tuning the pulse durations appropriately.

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