Wigner Time-Delay and Distribution for Polarization Interaction in Strongly Coupled Semiclassical Plasmas

The quantum effect on the Wigner time-delay and distribution for the polarization scattering in a semiclassical dense plasma is explored. The partial wave analysis is applied for a partially ionized dense plasma to derive the phase shift for the polarization interaction. The Wigner time-delay and th...

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Published inEntropy (Basel, Switzerland) Vol. 22; no. 9; p. 910
Main Authors Lee, Myoung-Jae, Jung, Young-Dae
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 19.08.2020
MDPI
Subjects
Delay
Dense plasmas
Distribution functions
Energy
Investigations
Mechanical properties
Plasma
Polarization
Screening
semiclassical plasma
Shielding
Wigner distribution
Wigner time-delay
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Summary:The quantum effect on the Wigner time-delay and distribution for the polarization scattering in a semiclassical dense plasma is explored. The partial wave analysis is applied for a partially ionized dense plasma to derive the phase shift for the polarization interaction. The Wigner time-delay and the Wigner distribution are derived for the electron–atom polarization interaction including the effects of quantum-mechanical characteristic and plasma screening. In this work, we show that the Wigner time-delay and the Wigner distribution for the polarization interaction can be suppressed by the quantum effect. The Wigner time-delay and the Wigner distribution are also significantly suppressed by the increase of plasma shielding. The variation of the Wigner time-delay and the Wigner distribution function due to quantum screening is discussed.
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ISSN:1099-4300
1099-4300
DOI:10.3390/e22090910