Abstract
The effect Rashba spin-orbit coupling has on transmission coefficient through a symmetric system with fermion path nonanalyticity points is illustrated using the example of a regular polygon-shaped chain. It is shown that the current passage through a device is blocked at the critical spin-orbit coupling values determined by the system’s geometry. At the near-critical spin-orbit coupling values, electron transport is possible only in a narrow range of energies.
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Original Russian Text © V.V. Val’kov, A.D. Fedoseev, 2018, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2018, Vol. 82, No. 5.
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Val’kov, V.V., Fedoseev, A.D. Effect of Total Reflection from a Symmetric Two-Channel Device with Fermion Path Nonanalyticity Points Induced by Rashba Spin-Orbit Coupling. Bull. Russ. Acad. Sci. Phys. 82, 550–553 (2018). https://doi.org/10.3103/S1062873818050313
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DOI: https://doi.org/10.3103/S1062873818050313