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Vector polarizability of atomic state induced by a linearly polarized vortex beam: External control of magic, tune-out wavelengths, and heteronuclear spin oscillations
Anal Bhowmik, Narendra Nath Dutta, Sonjoy Majumder
Experiments with vortex beams have shown a surge of interest in controlling cold atoms. Most of the controlling protocols are dominated by circularly polarized light due to its abi…
Transfer of orbital angular momentum superposition from asymmetric Laguerre-Gaussian beam to Bose-Einstein Condensate
Subrata Das, Anal Bhowmik, Koushik Mukherjee +1
In this paper, we have formulated a theory for the microscopic interaction of the asymmetric Laguerre-Gaussian (aLG) beam with the atomic Bose-Einstein condensate (BEC) in a harmon…
Precise many-body calculations and hyperfine interaction effect on dynamic polarizabilities at the low-lying energy levels of Y
Arghya Das, Anal Bhowmik, Narendra Nath Dutta +1
The present work determines the precise values of magic wavelengths corresponding to the clock transitions 5-4 of Y ion both at the levels of fine- and hyperfine-s…
Tuning of non-paraxial effects of the Laguerre-Gaussian beam interacting with the two-component Bose-Einstein condensates
Anal Bhowmik, Sonjoy Majumder
We present the theory of microscopic interaction of the spin-orbit coupled focused Laguerre-Gaussian (LG) beam with the two-component Bose-Einstein condensate (BEC), composed of tw…
Dynamic polarizabilities and magic wavelengths of Sr for focused vortex light
Anal Bhowmik, Sonjoy Majumder
A theory of dynamic polarizability for trapping relevant states of Sr is presented here when the ions interact with a focused optical vortex. The coupling between the orbital a…
Accurate estimations of electromagnetic transitions of Sn IV for stellar and interstellar media
Swapan Biswas, Arghya Das, Anal Bhowmik +1
Here we report on accurate ab initio calculations to study astrophysically important electromagnetic transition parameters among different low-lying states of Sn IV. Our ab initio…