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Relativistic Corrections to the Theory of Nanostructures

  • PHYSICS OF SEMICONDUCTORS AND DIELECTRICS
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Russian Physics Journal Aims and scope

On the example of a simple exactly solved model of the potential well formed by three piecewise-constant potentials, it is demonstrated that spin splitting of electronic levels (the Rashba effect) exists only for an approximate description with the Pauli equation. An exact problem solution based on the Dirac equation demonstrates that such splitting of levels in the potential well is absent. This result is obtained both analytically and numerically. It is demonstrated that this is valid for any systems with piecewise-constant potentials forming the potential well.

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Correspondence to G. F. Karavaev.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 92–98, April, 2014.

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Karavaev, G.F. Relativistic Corrections to the Theory of Nanostructures. Russ Phys J 57, 525–532 (2014). https://doi.org/10.1007/s11182-014-0270-2

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  • DOI: https://doi.org/10.1007/s11182-014-0270-2

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