Details

Autor(en) / Beteiligte

• Augenbraun, Benjamin L
• Lasner, Zack D
• Frenett, Alexander
• Sawaoka, Hiromitsu
• Miller, Calder
• Steimle, Timothy C
• Doyle, John M

Titel

Laser-cooled polyatomic molecules for improved electron electric dipole moment searches

Ist Teil von

• New journal of physics, 2020-02, Vol.22 (2), p.22003

Ort / Verlag

Bristol: IOP Publishing

Erscheinungsjahr

2020

Link zum Volltext

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• Doppler and Sisyphus cooling of 174YbOH are achieved and studied. This polyatomic molecule has high sensitivity to physics beyond the Standard Model and represents a new class of species for future high-precision probes of new T-violating physics. The transverse temperature of the YbOH beam is reduced by nearly two orders of magnitude to < 600 K and the phase-space density is increased by a factor of > 6 via Sisyphus cooling. We develop a full numerical model of the laser cooling of YbOH and find excellent agreement with the data. We project that laser cooling and magneto-optical trapping of long-lived samples of YbOH molecules are within reach and these will allow a high sensitivity probe of the electric dipole moment of the electron. The approach demonstrated here is easily generalized to other isotopologues of YbOH that have enhanced sensitivity to other symmetry-violating electromagnetic moments.