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Quantum Chemistry

Fast-forward scaling of atom-molecule conversion in Bose-Einstein condensates

arXiv
Authors: JingJun Zhu, Xi Chen

Year

2020

Paper ID

18497

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

Robust stimulated Raman exact passages are requisite for controlling nonlinear quantum systems, with the wide applications ranging from ultracold molecules, non-linear optics to superchemistry. Inspired by shortcuts to adiabaticity, we propose the fast-forward scaling of stimulated Raman adiabatic processes with the nonlinearity involved, describing the transfer from an atomic Bose-Einstein condensate to a molecular one by controllable external fields. The fidelity and robustness of atom-molecule conversion are shown to surpass those of conventional adiabatic passages, assisted by fast-forward driving field. Finally, our results are extended to the fractional stimulated Raman adiabatic processes for the coherent superposition of atomic and molecular states.

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  • Robust stimulated Raman exact passages are requisite for controlling nonlinear quantum systems, with the wide applications ranging from ultracold molecules, non-linear optics...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2012.07611 [2] arXiv https://arxiv.org/abs/2012.07611 [3] Publisher https://arxiv.org/abs/2012.07611

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