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Equation of motion approach for describing allowed transitions in Ne and Al3+ under classical and quantum plasmas

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dc.contributor.author Chaudhuri, S. K
dc.contributor.author Mukherjee, P. K
dc.contributor.author Chaudhuri, R. K
dc.contributor.author Chattopadhyay, S
dc.date.accessioned 2020-11-27T12:55:47Z
dc.date.available 2020-11-27T12:55:47Z
dc.date.issued 2018-04
dc.identifier.citation Physics of Plasmas, Vol. 25, No. 4, 042705 en_US
dc.identifier.issn 1070-664X
dc.identifier.uri http://prints.iiap.res.in/handle/2248/7509
dc.description Restricted Access © American Institute of Physics https://doi.org/10.1063/1.5011791 en_US
dc.description.abstract The equation of motion coupled cluster methodology within relativistic framework has been applied to analyze the electron correlation effects on the low lying dipole allowed excited states of Ne and Al3þ under classical and quantum plasma environments. The effect of confinement due to classical plasma has been incorporated through screened Coulomb potential, while that of quantum plasma has been treated by exponential cosine screened Coulomb potential. The confined structural properties investigated are the depression of ionization potential, low lying excitation energies (dipole allowed), oscillator strengths, transition probabilities, and frequency dependent polarizabilities under systematic variation of the plasma-atom coupling strength determined through the screening parameter. Specific atomic systems are chosen for their astrophysical importance and availability of experimental data related to laboratory plasma with special reference to Al3þ ion. Here, we consider 1s22s22p6ð1S0Þ ! 1s22s22p5 ns=nd ð1P1Þ ðn ¼ 3; 4Þ dipole allowed transitions of Ne and Al3þ. Results for the free (isolated) atomic systems agree well with those available in the literature. Spectroscopic properties under confinement show systematic and interesting pattern with respect to plasma screening parameter. en_US
dc.language.iso en en_US
dc.title Equation of motion approach for describing allowed transitions in Ne and Al3+ under classical and quantum plasmas en_US
dc.type Article en_US

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