Group(2022)

We study the structure and ionization/scattering dynamics of atomic systems using theoretical and computational methods. These systems can be simple atoms or exotic systems such as atoms trapped in a fullerene (endohedral systems) or it can be a group of atoms (clusters). We explore these systems with a fundamental point of view to get a rigorous understanding of the electron-electron interactions, relativistic effects and also to know how the properties of atomic systems get modified by the presence of an external cage. We also study the dynamics of ionization in the time domain (atto-second spectroscopy) to get deeper insights to the ionization process. The photoelectron/scattered electrons are the information carriers of the target. By studying them systematically, we can extract all the required information. A deep knowledge on ionization and scattering processes play an important role in nano-science, developing quantum technologies, plasmonics and xuv lithography etc.

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Recent Publications

Quadrupole Effects in the Photoionisation of Sodium 3s in the Vicinity of the Dipole Cooper Minimum

Know more Atoms 2023, 11(10), 125 (2023)

Density functional treatment of photoionization of sodium clusters: effects of cluster-size and exchange-correlation framework

Know more Atoms 11 (8), 114 (2023)

Plasmonic Resonant Intercluster Coulombic Decay

Know more Phys. Rev. Lett. 130, 233201(2023)

Modifications in the angular photoemission time delay in Ar@Cq=−160: Coulomb confinement resonance as an amplifier of the spin-orbit-interaction-activated interchannel coupling effect

Know more Phys. Rev. A 107, 052804(2023)

Near threshold cooper minimum in the photoionization of 2p subshell of Na atom

J. Phys. B: At. Mol. Opt. Phys. 55, 135001(2022)

Systematic study of Coulomb confinement resonances of atoms trapped inside charged fullerenes

Phys. Rev. A 102, 062826(2020)