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Grigoryan, Vahram and Matos-Abiague, A and Badalyan, Samvel
Spin edge states: An exact solution and oscillations of the
spin current. Physical Review B (PRB) 80, pp. 165320-1.
Fabian, Jaroslav and Matos-Abiague, A and Ertler, Christian and Stano, Peter and Zutic, I (2007) Semiconductor Spintronics. Acta Phys. Slov. 57, p. 565.