6 papers
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 bari…
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…
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-…
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…