A new non-steady-state photovoltaic effect in a uniform bipolar semiconductor doped with impurities changing their charge state under illumination is predicted. Direct electric current is shown to arise in the ring-shaped uniform bipolar semiconductor sample illuminated by a movi...
Open access
Research Article10.9734/PSIJ/2018/39551
This work considers the direct solution of general third order ordinary differential equation. The method is derived by collocating and interpolating the approximate solution in power series. A single hybrid three-step method is developed. Taylor series is used to generate the in...
Open access
Research Article10.9734/PSIJ/2018/22219
Velocity and turbulence measurements were performed in an open channel with patchy gravel and vegetated beds in order to further understand the transport processes and flow regimes that exist in open channels. The results of laboratory experiments that describe the mechanisms and...
Open access
Research Article10.9734/PSIJ/2018/35306
Investigation of iron ore deposit cannot be overlooked because of its economic importance and demand by steel industries. Hence, this paper aimed at providing clear information about the existence of iron ore deposit in Akunnu-Akoko area. The Akunnu-Akoko area is located between...
Open access
Research Article10.9734/PSIJ/2018/39004
This paper analyses the thermal boundary layer flow over a vertical plate with electrical conductivity and convective surface boundary conditions. Transforming the governing nonlinear partial differential equations into a set of coupled non-linear ordinary differential equations...
Open access
Research Article10.9734/PSIJ/2018/37678
The discrete phase space representation of quantum mechanics involving a characteristic length is investigated. The continuous (1 + 1)-dimensional phase space is first discussed for the sake of simplicity. It is discretized into denumerable infinite number of concentric circles....
Open access
Research Article10.9734/PSIJ/2018/37354
Aim: This research investigates the pollution level of heavy metals and their variation in five selected areas in Kano state, Nigeria. The heavy metals investigated are Cadmium (Cd), Chromium (Cr), Manganese (Mn), Zinc (Zn), Lead (Pb), Copper (Cu), Iron (Fe), and Nickel (Ni). Pla...
Open access
Research Article10.9734/PSIJ/2018/36631
Abdoulaye Compaoré, Boureima Dianda, Gilbert Nana, D. Joseph Bathiebo, Belkacem Zeghmati, Xavier Chesneau & Stéphane Abide·Physical Science International Journal·2018
A numerical modeling of heat transfer in a habitat whose walls are in local materials (compressed earth blocks) is presented. The transfer equations based on the nodal method are solved by an implicit finite difference method and the Gauss algorithm coupled to an iterative proced...
Open access
Research Article10.9734/PSIJ/2018/38931
Expressions of a conserved 4-current and its density are examined in cases of electrically charged quantum particles. It is proven that the Noether theorem cannot be regarded as a sufficient condition that yields a consistent expression of a conserved 4-current, because electroma...
Open access
Research Article10.9734/PSIJ/2018/38853
Due to the complexity of plasma dynamics and kinetics, it is often used in research model plasma through computer simulations. A new approach to the electrostatic simulation of dilute plasma, based on the Particle-in-Cell (PIC) simulation method, is explored. We discuss the distr...
Open access
Research Article10.9734/PSIJ/2018/37414