26 citations · 33 across the 13 of their papers we have counts for
10 papers · 1 filter
Investigating Role of Electron Correlation Effects via Triple Excitations for Precise Evaluation of Energies and Hyperfine Structure Constants in Na
Vaibhav Katyal, B. K. Sahoo
Accurate determination of hyperfine structure constants in atomic systems provides important insight into the interplay of electron correlation and relativistic effects in the nucl…
Nuclear Charge Radii of Sr Isotopes: Reevaluation based on Transition Frequency Measurements in the manifold in Sr
J. Palmes, K. König, B. K. Sahoo +10
High-precision quasi-simultaneous collinear and anticollinear laser spectroscopy was performed on the (D1), $5s\,^2S_{1/2}\rightarrow 5p\,^…
Comprehensive Assessment of Properties for Nuclear Clock and Fundamental Physics Applications
A. Chakraborty, B. K. Sahoo
By employing singles, doubles, and triples excitations within the relativistic coupled-cluster framework, we perform comprehensive calculations of a wide range of atomic properties…
Comprehensive Inclusion of Higher-order Ca Isotope Shifts in the King's Plot Yields an Order Improvement on the - Coupling Limit
Vaibhav Katyal, A. Chakraborty, B. K. Sahoo
By critically evaluating higher-order nonlinear effects to the isotope shifts (ISs) in the low-lying transition frequencies of the singly charged calcium ion, stringent constraint…
Investigating Roles of Triple Excitations for High-precision Determination of Clock Properties of Alkaline Earth Metal Singly Charged Ions
A. Chakraborty, Vaibhav Katyal, B. K. Sahoo
High-accuracy calculations of electric dipole polarizabilities and quadrupole moments () of the clock states of the singly charged calcium (Ca), strontium (Sr) and bariu…
Comparative Analysis of Mg Properties using Multiconfiguration Dirac-Hartree-Fock and Relativistic Coupled-cluster Methods
B. K. Sahoo, Per Jönsson, Gediminas Gaigalas
We demonstrate behaviors of correlation effects in the calculations of atomic properties through two commonly employed many-body methods; namely multiconfiguration Dirac-Hartree-Fo…
Demonstrating Correlation Trends in the Electric Dipole Polarizabilities of Many Low-lying States in Cs I through First-principle Calculations
A. Chakraborty, B. K. Sahoo
Electron correlation and higher-order relativistic effects are probed in the evaluation of scalar and tensor static electric dipole (E1) polarizabilities () of several even- a…
Ab initio Calculations of Electric Dipole Polarizabilities in the Li, Na and K Atoms
A. Chakraborty, B. K. Sahoo
We carry out first-principle calculations of scalar and tensor components of the static electric dipole polarizabilities of six low-lying states of lithium (Li), sodium (Na) and po…
Testing for isospin symmetry breaking with extensive calculations of isotope shift factors in potassium
Vaibhav Katyal, A. Chakraborty, B. K. Sahoo +4
Precise evaluation of the isotope shift (IS) factors for seven low-lying potassium (K) states is achieved using relativistic coupled-cluster (RCC) theory. The energies of these sta…
Recent advancements in atomic many-body methods for high-precision studies of isotope shifts
B. K. Sahoo, S. Blundell, A. V. Oleynichenko +3
The development of atomic many-body methods, capable of incorporating electron correlation effects accurately, is required for isotope shift (IS) studies. In combination with preci…