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Hydrostatic Pressure and Electric-field Effects on the Shallow Donor Impurity States in GaAs-Ga0.7Al0.3As Quantum-well Wires
Quantum well wire Hydrostatic pressure Electric field
2010/9/25
Using a variational procedure within the effective-mass approximation, we have made a theoretical study of the effects of hydrostatic pressure and applied electric fields on the binding energy of a sh...
Surface Charges and External Electric Field in a Toroid Carrying a Steady Current
Surface Charges External Electric Field a Steady Current
2010/10/27
We solve the problem of a resistive toroid carrying a steady azimuthal current. We use standard toroidal coordinates, in which case Laplace’s equation is R-separable. We obtain the electric potential ...
Improvement in Electroabsorption and the Effect of the Electric Field in the Tuneable Wavelength Converter
Electroabsorption Electric Field Tuneable Wavelength Converter
2010/4/16
The numerical results of the study of a novel wavelength converter which can be tuned with the application of an external field are presented. For this device, exciton binding energies, radiuses and t...