Cooling and trapping of molecules in highly excited rotational states

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Abstract

Collisional relaxation of highly rotating hydrogen molecules is investigated as a function of energy. Calculations demonstrate that inelastic collisions are dramatically suppressed for specific rotational levels of the molecule as the energy is lowered due to the closing of quasiresonant rotation-vibration channels. It is predicted that a [Formula Presented] buffer gas may be used to load these highly excited molecules into a trap without a significant loss of population. It is further predicted that evaporative cooling may be used to cool the “super rotors” to even lower temperatures.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume63
Issue number5
DOIs
StatePublished - Jan 1 2001

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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