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World Journal of Applied Physics

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2024, Volume 9
1. Issue 1, Mar.
2023, Volume 8
1. Issue 2, Jun.
2. Issue 1, Mar.
2022, Volume 7
2021, Volume 6
2020, Volume 5
2019, Volume 4
2018, Volume 3
2017, Volume 2
2016, Volume 1
1. Issue 2, Nov.
2. Issue 1, Aug.

Volume 5, Issue 1, March 2020

Angular Distribution and Polarization of Superradiant Emission from Atomic Ensembles

Verne Louis Jacobs

Issue: Volume 5, Issue 1, March 2020

Pages: 1-14

Received: 1 March 2020

Accepted: 13 March 2020

Published: 1 April 2020

DOI: 10.11648/j.wjap.20200501.11

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Abstract: A density-matrix approach is developed to provide a theoretical description of the intensity, angular distribution, and polarization of superradiative emission from an ensemble of many-electron atomic systems. The many-electron atomic systems are described as cooperatively interacting by means of forces that can be long range. Particular emphasis i... Show More

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Refining the Results of the Electronic Theory of Reflection of Metals

Konstantin Ludanov

Issue: Volume 5, Issue 1, March 2020

Pages: 15-20

Received: 26 May 2020

Accepted: 5 June 2020

Published: 4 July 2020

DOI: 10.11648/j.wjap.20200501.12

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Abstract: The article provides an accurate analytical approximation of the expressions of the known results of the electronic theory of reflection of metals, i.e. for the spectral and integrated reflectivity of and (Drude and Hagen-Rubens formulas, as well as the formulas of Ashkinass, Foote, Eckert and Drake, which are fragments of power series). Compact ... Show More

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