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A review of recent theoretical calculations of blackbody radiation (BBR) shifts in optical atomic clocks is presented. We summarize previous results for monovalent ions that were obtained by a relativistic all-order single-double method, where all single and double excitations of the Dirac- Fock wave function are included to all orders of perturbation theory. A recently developed method for accurate...
We present a new approach for accurate calculation of atomic polarizabilities, apply it to evaluate BBR shifts in optical clock transitions in Al+, B+ and In+, and find uncertainties below 10−18 in some cases.
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