22 citations · 169 across the 22 of their papers we have counts for
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Forces on alkali Rydberg atoms due to non-linearly polarized light
A. Bhowmik, D. Blume
Trapped Rydberg atoms are highly promising candidates for quantum science experiments. While several approaches have been put forward to exert (trapping) forces on isolated Rydberg…
Double, triple, and quadruple magic wavelengths for cesium ground, excited, and Rydberg states
A. Bhowmik, M. Gaudesius, G. Biedermann +1
Dynamic polarizabilities of cesium Rydberg states, explicitly , , , , and , where the principal quantum number is to …
[Transitional strength under plasma] Precise estimations of astrophysically relevant electromagnetic transitions of Ar, Kr, Xe, and Rn under plasma atmosphere
Swapan Biswas, Anal Bhowmik, Arghya Das +2
The growing interest in atomic structures of moderately-stripped alkali-like ions in diagnostic study and modeling of astrophysical and laboratory plasma makes an accurate many-bod…
Two-photon polarizability of Ba ion: Control of spin-mixing process in an ultracold Ba--Rb mixture
Arghya Das, Anal Bhowmik, Narendra Nath Dutta +1
Ionic clocks exhibit as the most promising candidates for the frequency standards. Recent investigations show the profound advantages of interrogating two laser beams with differen…
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…
Tunable magic wavelengths for trapping with focused Laguerre-Gaussian beam
Anal Bhowmik, Narendra Nath Dutta, Sonjoy Majumder
We present in this paper a theory of dynamic polarizability for an atomic state due to an external field of non-paraxial Laguerre-Gaussian (LG) beam using the sum-over-states techn…
Density profiles of two-component Bose-Einstein condensates interacting with a Laguerre-Gaussian Beam
Anal Bhowmik, Pradip Kumar Mondal, Sonjoy Majumder +1
The density profiles of trapped two-component Bose-Einstein condensates (BEC) and its microscopic interaction with Laguerre Gaussian (LG) beam are studied. We consider the R…
Electron-correlation study of Y III-Tc VII ions using a relativistic coupled-cluster theory
Arghya Das, Anal Bhowmik, Narendra Nath Dutta +1
Spectroscopic properties, useful for plasma diagnostics and astrophysics, of a few rubidium-like ions are studied here. We choose one of the simplest, but correlationally challengi…
Study of coupled-cluster correlations on electromagnetic transitions and hyperfine structure constants of W VI
Anal Bhowmik, Sourav Roy, Narendra Nath Dutta +1
This work presents precise calculations of important electromagnetic transition amplitudes along with detail of their many-body correlations using relativistic coupled cluster meth…
Precise calculations of astrophysically important allowed and forbidden transitions of Xe VIII
Anal Bhowmik, Narendra Nath Dutta, Sourav Roy
The present work reports transition line parameters for Xe VIII, which are potentially important for astrophysics in view of recent observations of multiply ionized xenon in hot wh…
Interaction of atom with non-paraxial Laguerre-Gaussian beam:Forming superposition of vortex states in Bose-Einstein condensates
Anal Bhowmik, Pradip Kumar Mondal, Sonjoy Majumder +1
The exchange of orbital angular momentum (OAM) between paraxial optical vortex and a Bose-Einstein condensate (BEC) of atomic gases is well known. In this paper, we develop a theor…