Measurement of a magic-zero wavelength
Atomic Physics
2012-08-24 v1
Abstract
Light at a magic-zero wavelength causes zero energy shift for an atom. We measured the longest magic-zero wavelength for ground state potassium atoms to be nm, and we show how this provides an improved experimental benchmark for atomic structure calculations. This measurement determines the ratio of the potassium atom D1 and D2 line strengths with record precision. It also demonstrates a new application for atom interferometry, and we discuss how decoherence will fundamentally limit future measurements of magic-zero wavelengths.
Cite
@article{arxiv.1208.4653,
title = {Measurement of a magic-zero wavelength},
author = {William F. Holmgren and Raisa Trubko and Ivan Hromada and Alexander D. Cronin},
journal= {arXiv preprint arXiv:1208.4653},
year = {2012}
}