Polarizabilities, Stark shifts, and lifetimes of the In atom

MS Safronova, UI Safronova, SG Porsev - Physical Review A—Atomic …, 2013 - APS
We evaluate the polarizabilities of the 5 p 1/2, 6 s, 6 p 1/2, and 6 p 3/2 states of In using two
high-precision relativistic methods: the linearized coupled-cluster approach, where single …

Thallium 7 lifetimes derived from experimental data and ab initio calculations of scalar polarizabilities

MS Safronova, PK Majumder - Physical Review A—Atomic, Molecular, and …, 2013 - APS
Two different theoretical methods have been used to complete a calculation of polarizability
in the thallium 6 p 1/2, 7 s, and 7 p 1/2 states. The predictions of the two methods agree to …

Measurement of hyperfine constants and the isotope shift of rubidium 5P1/2 excited-state using saturated absorption spectroscopy

PM Rupasinghe, F Wee, T Bullock, J Liu - Physica Scripta, 2023 - iopscience.iop.org
Abstract The Saturated Absorption Spectroscopy (SAS) was performed to measure the
hyperfine constants of rubidium 5P 1/2 excited state using an external-cavity diode laser …

High-precision measurements and theoretical calculations of indium excited-state polarizabilities

NB Vilas, BY Wang, PM Rupasinghe, DL Maser… - Physical Review A, 2018 - APS
We report measurements of the scalar and tensor static polarizabilities of the In 115 7 p 1/2
and 7 p 3/2 excited states using two-step diode laser spectroscopy in an atomic beam …

Laser ablation of an indium target: time-resolved Fourier-transform infrared spectra of In I in the 700–7700 cm− 1 range

S Civiš, P Kubelík, M Ferus, VE Chernov… - Journal of Analytical …, 2014 - pubs.rsc.org
Laser-induced breakdown spectroscopy (LIBS) in combination with a time-resolved Fourier-
transform technique was applied to obtain spectra of In I in the infrared spectral region. This …

Measurement of -state hyperfine structure and - transition isotope shift in Tl and Tl

G Ranjit, D Kealhofer, GD Vukasin, PK Majumder - Physical Review A, 2014 - APS
A two-step, two-color laser spectroscopy technique has been used to measure the hyperfine
splitting of the 7 p 1/2 excited state in 203 Tl and 205 Tl, as well as the isotope shift within the …

High-precision measurements of electric-dipole-transition amplitudes in excited states of Pb using Faraday rotation spectroscopy

JH Lacy, AC Kinney, PK Majumder - arxiv preprint arxiv:2501.18408, 2025 - arxiv.org
We have completed measurements of two low-lying excited-state electric-dipole (E1)
transition amplitudes in lead. Our measured reduced matrix elements of the $(6s^ 2 6p^ 2) …

Measurement of the scalar polarizability of the indium state using two-step atomic-beam spectroscopy

BL Augenbraun, A Carter, PM Rupasinghe… - Physical Review A, 2016 - APS
We completed a measurement of the Stark shift within the In 115 6 s 1/2→ 6 p 1/2 excited-
state transition using two-step laser spectroscopy in an indium atomic beam. By combining …

Transition rates for a Rydberg atom surrounded by a plasma

C Lin, C Gocke, G Röpke, H Reinholz - Physical Review A, 2016 - APS
We derive a quantum master equation for an atom coupled to a heat bath represented by a
charged particle many-body environment. In the Born-Markov approximation, the influence …

High-precision measurement and ab initio calculation of the electric-quadrupole-transition amplitude in

DL Maser, E Hoenig, BY Wang, PM Rupasinghe… - Physical Review A, 2019 - APS
We have completed a measurement of the (6 s 2 6 p 2) P 0 3→ P 2 3 939 nm electric
quadrupole (E 2) transition amplitude in atomic lead. Using a Faraday rotation spectroscopy …