Cooling and Trapping of Fröhlich Polaron and Observation of Plasma Formation in Magnetic Field:: Science Publishing Group

Cooling and Trapping of Fröhlich Polaron and Observation of Plasma Formation in Magnetic Field

Njutapmvoui Adamou¹, Mwebi Ekengoue Clautaire^2,3, Kenfack Jiotsa Aurelien⁴, Kenfack Sadem Christian^1,2, Fotue Alain Jervé^1,2, Lukong Cornelius Fai^1,2

Corresponding Author: Mwebi Ekengoue Clautaire

¹Faculty of Sciences, University of Dschang (UDs), Dschang, Cameroon

²Division of Scientific Research and Innovations, African Scientific Association for Innovative and Entrepreneurship (ASAIE), Dschang, Cameroon

³Faculty of Engineering and Technology (FET), University of Buea (UB), Buea, Cameroon

⁴Faculty of Sciences, University of Yaounde I (UYI), Yaounde, Cameroon

American Journal of Optics and Photonics, Volume 11, Issue 1, March 2023

Pages: 10-19

Received: Jul. 22, 2023

Accepted: Aug. 14, 2023

Published: Nov. 11, 2023

DOI: 10.11648/j.ajop.20231101.12

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Abstract

Due to their physical properties and potential importance to the understanding of the electron mobility in a wide variety of materials, polarons are currently the subject of intensive research. Using one of the world most powerfull trapping entity, we investigated the influence of surrounding environment on the dynamic of Fröhlich polaron with the help of semiclassical approach under rotating wave approximation (RWA), in the consideration that we deal with a two-level-system (TLS). Both the frequency of the trap and the bandgap value between energy levels of the system particles dictate the resulting phenomenon. Trapping of Fröhlich polarons with magnetic field conducts to complete population transfer from excited state to ground state with the possibility of the formation of Bose-Einstein Condensates (BEC) at bot low bandgap energy values and important value magnetic field frequency. Fundamentally different to polaritons, nomatter the breaking down of Pauli Exclusion Principle (BDPEP), the magnetic trapping of quasiparticles Fröhlich polarons conducts to plasma formation when both the bandgap value of energy levels and the magnetic field frequency are very important. Detailed analysis of the resulted phenomenon will open a new perspctives toward understanding the dynamic of cooled and trapped Fröhlich polarons.

Keywords

Polarons, Magnetic Field, Trapping, Semiclassical Approach, Bose-Einstein Condensates, Plasma Formation

To cite this article

Njutapmvoui Adamou, Mwebi Ekengoue Clautaire, Kenfack Jiotsa Aurelien, Kenfack Sadem Christian, Fotue Alain Jervé, et al. (2023). Cooling and Trapping of Fröhlich Polaron and Observation of Plasma Formation in Magnetic Field. American Journal of Optics and Photonics, 11(1), 10-19. https://doi.org/10.11648/j.ajop.20231101.12

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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