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Electrostatic waves and solitons in electron-positron plasmas.
The magnetosphere of pulsars is thought to consist of an electron-positron plasma rotating in the pulsar magnetic field (Beskin, Gurevich & Istomin 1983; Lominadze, Melikidze & Pataraya 1984; Gurevich & Istomin 1985). ...
Investigation of conceptual and language difficulties affecting the understanding of several mechanics concepts among some African teachers and students.
The results of national examination in matric and universities showed that African students were performing very poorly in their studies and examinations in science and in physics in particular. The objective in this ...
Experimental investigation and theoretical analysis of the structural relaxation in amorphous Fe40Ni40B20.
Amorphous metallic alloys are produced by a variety of techniques some of which involve rapid solidification of the alloying constituents. In these methods the solidification occurs so rapidly that the atoms are frozen-in ...
Tracer diffusion of oxygen in YBa2Cu3O7-x from Monte Carlo simulations of an Ising-type model.
In the research reported here, a two-dimensional Ising-type model was used to study the tracer diffusion coefficients of oxygen ions in YBa2Cu307-x (YBCO) for various values of oxygen concentration and temperature. The ...