Efficient method for quantum calculations of molecule - molecule scattering properties in a magnetic field

Details Efficient method for quantum calculations of molecule - molecule scattering properties in a magnetic field Efficient method for quantum calculations of molecule - molecule scattering properties in a magnetic field

2012-02-03

arxiv.org/abs/1202.0597v1

Physics

Atomic Physics

Scientific paper

We show that the cross sections for molecule - molecule collisions in the presence of an external field can be computed efficiently using a total angular momentum basis, defined either in the body-fixed frame or in the space-fixed coordinate system. This method allows for computations with much larger basis sets than previously possible. We present calculations for 15NH - 15NH collisions in a magnetic field. Our results support the conclusion of the previous study that the evaporative cooling of rotationally ground 15NH molecules in a magnetic trap has a prospect of success.

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