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Optical Pumping of Trapped Neutral Molecules by Blackbody Radiation
2007
Physical Review Letters
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Optical pumping by blackbody radiation is a feature shared by all polar molecules and fundamentally limits the time that these molecules can be kept in a single quantum state in a trap. To demonstrate and quantify this, we have monitored the optical pumping of electrostatically trapped OH and OD radicals by room-temperature blackbody radiation. Transfer of these molecules to rotationally excited states by blackbody radiation at 295 K limits the 1/e trapping time for OH and OD in the
doi:10.1103/physrevlett.98.133001
pmid:17501197
fatcat:ono777ioerdhrk6xi4w3dhccwm