D. Angom

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physics.atom-ph2025

FSRCC two-valence calculations of clock transition properties, dipole polarizability and isotope shifts in Fermionic and Bosonic Sr

Palki Gakkhar, D Angom, B K Mani

We employ an all-particle multireference Fock-space relativistic coupled-cluster (FSRCC) theory to study the $5 s^{2}^{1} S_{0} - 5 s 5 p^{3} P_{0}^{o}$ clock transition in both Fermionic an…

physics.atom-ph2025

Probing transition rates, nuclear moments and electric dipole polarizability in nobelium using multireference FSRCC and PRCC theories

Ravi Kumar, Palki Gakkhar, D. Angom +1

We employ an all-particle multireference Fock-space relativistic coupled-cluster (FSRCC) theory to compute the ionization potential, excitation energy, transition rate and hyperfin…

physics.atom-ph2024

Fock-space perturbed relativistic coupled-cluster calculations of electric dipole polarizability and nuclear spin-dependent parity non-conservation in Cs

Suraj Pandey, Ravi Kumar, D. Angom +1

We implement the Fock-space perturbed relativistic coupled-cluster theory to compute the electric dipole polarizability of ground and low lying excited states, and nuclear spin-dep…