Isotope shifts (ISs) of atomic energy levels are sensitive probes of nuclear structure and new
physics beyond the standard model. We present an analysis of the ISs of the cadmium atom …

A consistent description of interactions between classical and quantum systems is relevant
to quantum measurement theory and to calculations in quantum chemistry and quantum …

We study the cancellation of differential ac Stark shifts in the 5 s and 5 p states of the
rubidium atom using the linearly and circularly polarized lights by calculating their dynamic …

The present work tests the suitability of the narrow transitions 7 s S 1∕ 2 2→ 6 d D 3∕ 2 2
and 7 s S 1∕ 2 2→ 6 d D 5∕ 2 2 in Ra+ for optical frequency standard studies. Our …

We reappraise some of the hybrid classical-quantum models proposed in the literature with
the goal of retrieving some of their common characteristics. In particular, first, we analyze in …

Atomic properties involving the low-lying excited D 3∕ 2, 5∕ 2 2 states in alkaline-earth-
metal ions are of current interest in many different applications ranging from tests of physics …

A recent proposal for mixed dynamics of classical and quantum ensembles is shown, in
contrast to other proposals, to satisfy the minimal algebraic requirements proposed by …

After formulating a no-go theorem for perfect quantum-classical hybrid systems, a
consistency requirement based on standard statistical considerations is noted. It is shown …

We demonstrate the importance of electron correlation effects in the hyperfine structure
constants of many low-lying states in Fr 210 and Fr 212. This is achieved by calculating the …

We find very good agreement between our theoretically evaluated lifetimes of the 5 d 2 D 3/2
and 5 d 2 D 5/2 states of Cs with the experimental values reported by DiBerardino et …