Strategies for reducing the light shift in atomic clocks

Autor: V. G. Pal’chikov, S. I. Marmo, V. D. Ovsiannikov, Hidetoshi Katori
Rok vydání: 2015
Předmět:
Zdroj: Physical Review A. 91
ISSN: 1094-1622
1050-2947
Popis: Recent progress in optical lattice clocks requires unprecedented precision in controlling systematic uncertainties at $10^{-18}$ level. Tuning of nonlinear light shifts is shown to reduce lattice-induced clock shift for wide range of lattice intensity. Based on theoretical multipolar, nonlinear, anharmonic and higher-order light shifts, we numerically demonstrate possible strategies for Sr, Yb, and Hg clocks to achieve lattice-induced systematic uncertainty below $1\times 10^{-18}$.
5 pages, 4 figures
Databáze: OpenAIRE