The theory of coherent resonance tunneling of interacting electrons

Analytical solutions of the Schrodinger equation for a two-barrier structur e (resonance-tunnel diode) with open boundary conditions are found within t he model of coherent tunneling of interacting electrons. Simple expressions for resonance current are derived which enable one to analyze the current- voltage characteristics, the conditions of emergence of hysteresis, and sin gularities of the latter depending on the parameters of resonance-tunnel di ode. It is demonstrated that the hysteresis is realized if the current exce eds some critical value proportional to the square of resonance level width . (C) 2001 MAIK "Nauka/ Interperiodica".