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5 papers · 1 filter
Multiband tight--binding approach to tunneling in semiconductor heterostructures: Application to transfer in GaAs
J. A. Støvneng, P. Lipavský
We study tunneling in semiconductor heterostructures where the constituent materials can have a direct or indirect bandgap. In order to have a good description of the lowest conduc…
Inward and Outward Integral Equations and the KKR Method for Photons
Alexander Moroz
In the case of electromagnetic waves it is necessary to distinguish between inward and outward on-shell integral equations. Both kinds of equation are derived. A correct implementa…
Equivariant Topological Sigma Models
Petr Horava
We identify and examine a generalization of topological sigma models suitable for coupling to topological open strings. The targets are Kahler manifolds with a real structure, i.e.…
In-Plane Magnetic Field Induced Anisotropy of 2D Fermi Contours and the Field Dependent Cyclotron Mass
L. Smrcka, T. Jungwirth
The electronic structure of a 2D gas subjected to a tilted magnetic field, with a strong component parallel to the GaAs/AlGaAs interface and a weak component oriented perpendicular…
On parton distributions beyond the leading order
J. Chýla
The importance of properly taking into account the factorization scheme dependence of parton distribution functions is emphasized. A serious error in the usual handling of this top…