Dominance of correlation and relativistic effects on photodetachment time delay well above threshold

Soumyajit Saha; Pranawa C. Deshmukh; Anatoli S. Kheifets; Steven T. Manson

doi:10.1103/PhysRevA.99.063413

Dominance of correlation and relativistic effects on photodetachment time delay well above threshold

Soumyajit Saha, Pranawa C. Deshmukh, Anatoli S. Kheifets, Steven T. Manson

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8 Citations (Scopus)

Abstract

Wigner time delay in photodetachment from the 3p3/2 and 3p1/2 subshells of Cl- has been studied in the vicinity of the 2p3/2 and 2p1/2 thresholds, using the relativistic random phase approximation (RRPA). The results show time delay spectra dominated by many-body correlations along with very complicated dependence on the energy over a broad spectral range. In addition, the time delay spectra of the two spin-orbit split 3p subshells differ significantly from one another, thereby revealing the importance of relativistic effects even in the case of a low-Z system.

Original language	English
Article number	063413
Journal	Physical Review A
Volume	99
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.99.063413
Publication status	Published - 17 Jun 2019

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title = "Dominance of correlation and relativistic effects on photodetachment time delay well above threshold",

abstract = "Wigner time delay in photodetachment from the 3p3/2 and 3p1/2 subshells of Cl- has been studied in the vicinity of the 2p3/2 and 2p1/2 thresholds, using the relativistic random phase approximation (RRPA). The results show time delay spectra dominated by many-body correlations along with very complicated dependence on the energy over a broad spectral range. In addition, the time delay spectra of the two spin-orbit split 3p subshells differ significantly from one another, thereby revealing the importance of relativistic effects even in the case of a low-Z system.",

author = "Soumyajit Saha and Deshmukh, {Pranawa C.} and Kheifets, {Anatoli S.} and Manson, {Steven T.}",

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AU - Saha, Soumyajit

AU - Deshmukh, Pranawa C.

AU - Kheifets, Anatoli S.

AU - Manson, Steven T.

PY - 2019/6/17

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AB - Wigner time delay in photodetachment from the 3p3/2 and 3p1/2 subshells of Cl- has been studied in the vicinity of the 2p3/2 and 2p1/2 thresholds, using the relativistic random phase approximation (RRPA). The results show time delay spectra dominated by many-body correlations along with very complicated dependence on the energy over a broad spectral range. In addition, the time delay spectra of the two spin-orbit split 3p subshells differ significantly from one another, thereby revealing the importance of relativistic effects even in the case of a low-Z system.

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Dominance of correlation and relativistic effects on photodetachment time delay well above threshold

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