H. Fotsin

Modified Lee-Low-Pines Polaron in Spherical Quantum Dot in an Electric Field

A. J. Fotue, S. C. Kenfack, H. Fotsin, M. Tiotsop, L. C. Fai & M. P. Tabue Djemmo · Physical Science International Journal · 2015

In this paper, we investigated the influence of electric field on the ground state energy of polaron in spherical semiconductor quantum dot (QD) using modified Lee Low Pines (LLP) method. The numerical results show the increase of the ground state energy with the increase of the...

Open access Research Article 10.9734/PSIJ/2015/15334

Development of an Intelligent Electronic Module for Energy Management in Wind/Diesel or Photovoltaic/Diesel Hybrid Systems

Julius K. Tangka, P. Tchakoua, H. Fotsin & A. Fomethe · Current Journal of Applied Science and Technology · 2012

An intelligent electronic module for managing battery power in a wind/diesel, solar/diesel or wind/solar/diesel hybrid systems was designed, fabricated and tested. It is made of five blocks mainly a power supply unit, a battery voltage monitor, a programmable interface controller...

Open access Research Article 10.9734/BJAST/2012/1513

Modified Lee-Low-Pines Polaron in Spherical Quantum Dot in an Electric Field. Part 2: Weak Coupling and Temperature Effect

A. J. Fotue, N. Issofa, M. Tiotsop, S. C. Kenfack, M. P. Tabue Djemmo, A. V. Wirngo, H. Fotsin & L. C. Fai · Physical Science International Journal · 2015

In this paper, we investigate the influence of an electric field on the ground state energy of a polaron in a spherical semiconductor quantum dot (QD) using the modified Lee Low Pines (LLP) method. The numerical results show an increase of the ground state energy with the increas...

Open access Research Article 10.9734/PSIJ/2015/18439