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17 papers
Finite periodic comb
O. I. Hryhorchak, V. S. Pastukhov
A finit periodic comb was solved by the help of both classical approach based on a direct solving of a Sr\"{odinger} equation and a quantum wave impedance method. It was dem…
Application of a quantum wave impedance approach for a quantum capacitance calculation
O. I. Hryhorchak
A method for a calculation of quantum capacitance for a two-dimesional electron gas (2DEG) in potential wells of complicated geometry on the base of a quantum wave impedance techni…
An application of a quantum wave impedance method to finite periodic structures
O. I. Hryhorchak
The relations between a quantum wave impedance function and elements of transfer and scattering matrixes for quantum mechanical systems with arbitrary localized form of potential w…
Analytical representation of an iterative formula for a quantum wave impedance determination in a case of a piecewise constant potential
O. I. Hryhorchak
An analytical solution for a quantum wave impedance in a case of piesewise constant potential was derived. It is in fact an analytical depiction of a well-known iterative method of…
Effective technique of numerical investigation of systems with complicated geometry of a potential
O. I. Hryhorchak
We have developed the technique of a quantum wave impedance determination for the sequence of not only constant potentials but also for potentials of forms for which the solution o…
Numerical study of quantum mechanical systems using a quantum wave impedance approach
O. I. Hryhorchak
The approximate numerical method for a calculation of a quantum wave impedance in a case of a potential energy with a complicated spatial structure is considered. It was proved tha…