Relativistic many-body calculations of the Stark-induced amplitude of the 6P1/2 -7P1/2 transition in thallium

Abstract

Stark-induced amplitudes for the 6P1/2 - 7P1/2 transition in Tl I are calculated using the relativistic SD approximation in which single and double excitations of Dirac-Hartree-Fock levels are summed to all orders in perturbation theory. Our SD values alpha S = 368 a0 3 and beta S= 298 a 0 3 are in good agreement with the measurements alpha S=377(8) a 0 3$ and beta S = 313(8) a 0 3 by D. DeMille, D. Budker, and E. D. Commins [Phys. Rev. A 50, 4657 (1994)]. Calculations of the Stark shifts in the 6P1/2 - 7P1/2 and 6P1/2 - 7S1/2 transitions are also carried out. The Stark shifts predicted by our calculations agree with the most accurate measured values within the experimental uncertainties for both transitions.

References in corpus (7)

• Relativistic many-body calculations of energy levels, hyperfine constants, electric-dipole matrix elements and static polarizabilities for alkali-metal atoms
• Reconciliation of the Measurement of Parity-Nonconservation in Cs with the Standard Model
• New experimental and theoretical approach to the 3d D-level lifetimes of 40Ca+
• Correlated many-body treatment of Breit interaction with application to cesium atomic properties and parity violation
• Parity non-conservation in thallium
• Inconsistencies between lifetime and polarizability measurements in Cs
• Excitation energies, hyperfine constants, E1, E2, M1 transition rates, and lifetimes of (6s2)nl states in Tl I and Pb II

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• Polarizabilities, Stark shifts, and lifetimes of In atom
• Thallium 7p lifetimes derived from experimental data and ab initio calculations of scalar polarizabilities
• Measurement of the scalar polarizability within the 5P1/2-6S1/2, 410 nm transition in atomic indium
• Measurement of 7p${}_{1/2}$-state hyperfine structure and 7s${}_{1/2}$-7p${}_{1/2}$ transition isotope shift in ${}^{203}$Tl and ${}^{205}$Tl
• High-precision measurements and theoretical calculations of indium excited-state polarizabilities
• Measurement of the scalar polarizability of the indium $6p_{1/2}$ state using two-step atomic-beam spectroscopy
• Relativistic and Electron Correlation Effects in Static Dipole Polarizabilities for Main-Group Elements