submillikelvin en · ADJ
Etymology
From sub- + millikelvin.
Meanings
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(attributive, not-comparable) Relating to temperatures below one millikelvin.
Light fields from the radiation pressure force and the dipole gradient potential, needed to cool atoms to submillikelvin temperatures, also play an active role in the collision processes themselves.
2003, John Weiner, Cold and Ultracold Collisions in Quantum Microscopic and Mesoscopic Systems: