378 citations
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT14 papers
- Indian Institute of Science BangaloreIN13 papers
- Tata Institute of Fundamental ResearchIN12 papers
- Centre National de la Recherche ScientifiqueFR8 papers
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- Tsinghua UniversityCN4 papers
4 papers · 2 filters
Perturbed Coupled-Cluster theory to calculate dipole polarizabilities of closed shell systems: Application to Ar, Kr, Xe and Rn
S. Chattopadhyay, B. K. Mani, D. Angom
We use perturbed relativistic coupled-cluster (PRCC) theory to calculate the electric dipole polarizability of noble gas atoms Ar, Kr, Xe and Rn. We also provide a detailed descrip…
Ba Quadrupole Polarizabilities: Theory versus Experiment
B. K. Sahoo, B. P. Das
Three different measurements have been reported for the ground state quadrupole polarizability in the singly ionized barium (Ba) which disagree with each other. Our calculation…
Revisiting Nuclear Quadrupole Moments in K Isotopes
Yashpal Singh, D. K. Nandy, B. K. Sahoo
Nuclear quadrupole moments (s) in three isotopes of potassium (K) with atomic mass numbers 39, 40 and 41 are evaluated more precisely in this work. The value of K is…
Electric dipole polarizability from perturbed Relativistic Coupled-Cluster Theory: application to Neon
S. Chattopadhyay, B. K. Mani, D. Angom
We develop a method based on the relativistic coupled-cluster theory to incorporate a perturbative interaction to the no-pair Dirac-Coulomb atomic Hamiltonian. The method is genera…