Polarized alkali vapor with minute-long transverse spin-relaxation time

Details Polarized alkali vapor with minute-long transverse spin-relaxation time Polarized alkali vapor with minute-long transverse spin-relaxation time

2010-05-10

arxiv.org/abs/1005.1617v1

Physics

Atomic Physics

5 pages, 5 figures

Scientific paper

We demonstrate lifetimes of atomic populations and coherences in excess of 60 seconds in alkali vapor cells with inner walls coated with an alkene material. This represents two orders of magnitude improvement over the best paraffin coatings. Such anti-relaxation properties will likely lead to substantial improvements in atomic clocks, magnetometers, quantum memory, and enable sensitive studies of collisional effects and precision measurements of fundamental symmetries.

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