15 citations · 42 across the 11 of their papers we have counts for
11 papers
Polarization Effects in Laser-Assisted (e,2e) Collision on H-atom by Twisted Electrons
Neha, Rakesh Choubisa
The dynamics of fast (e, 2e) collisions, induced by the impact of twisted electron beams, on atomic hydrogen, is analyzed in the presence of a laser field with circular and linear…
Triple differential cross-section for Laser-assisted (e,2e) process on molecule by Plane and Twisted electrons Impact
Neha, Rakesh Choubisa
Twisted electron-impact single ionization ((e,2e) process) of water molecule is theoretically studied in the presence of an external laser field. Calculations have been performed i…
Elastic scattering of twisted electrons by CO molecules at high energies
Raul Sheldon Pinto, Rakesh Choubisa
Elastic scattering of a twisted (Bessel) electron beam by CO molecules is studied theoretically at high energies. The molecule's structure is optimized using coupled cluster th…
Laser-assisted (e,2e) study with twisted electron beam on H-atom
Neha, Nikita Dhankhar, Raul Sheldon Pinto +1
We study the laser-assisted twisted electron beam impact ionization of the hydrogen atom in coplanar asymmetric geometry. We develope the theoretical model in the first Born approx…
Dynamics of twisted electron impact ionization of CH4 and NH3 molecule
Nikita Dhankhar, Neha, R. Choubisa
Electron vortex beams (EVB, also known as twisted electron beams) possess an intrinsic orbital angular momentum (OAM) with respect to their propagation direction. This intrinsic OA…
MsSpec-DFM (Dielectric function module): Towards a multiple scattering approach to plasmon description
Aditi Mandal, Sylvain Tricot, Rakesh Choubisa +1
We present here the MsSpec Dielectric Function module (MsSpec-DFM), which generates dielectric functions in an electron gas or a liquid, either isolated or embedded into an environ…
Model dielectric functions for fluctuation potential calculations in electron gas: a critical assessment
Aditi Mandal, Sylvain Tricot, Rakesh Choubisa +1
In this article, we report a critical assessment of dielectric function calculations in electron gas through the comparison of different modelling methods. This work is motivated b…
Twisted electron impact single ionization coincidence cross-sections for noble gas atoms
Nikita Dhankhar, Soham Banerjee, Rakesh Choubisa
We present the angular profiles of the triple differential cross-section (TDCS) for the (e,2e) process on the noble gas atoms, namely He (1s), Ne (2s and 2p), and Ar (3p) for the p…
Triple differential cross-section for the twisted electron impact ionization of water molecule
Nikita Dhankhar, Rakesh Choubisa
In this communication, we present the results of the triple differential cross-section (TDCS) for the (e,2e) process on H2O molecule for the plane wave and the twisted electron bea…
Electron impact single ionization of hydrogen molecule by twisted electron beam
Nikita Dhankhar, Rakesh Choubisa
In this communication, we present the results of the Five-fold Differential Cross Section (5DCS) and Triple Differential Cross Section (TDCS) for the (e,2e) process on molecular hy…
Semi-relativistic (e,2e) study with twisted electron beam on Cu and Ag
Aditi Mandal, Nikita Dhankhar, Didier Sébilleau +1
In this communication, we report our calculations of Triple Differential Cross-Section (TDCS) for the relativistic (e,2e) process with a twisted electron beam on Cu and Ag atomic t…