A many body quantum system undergoing multiple resonant tunneling in a double barrier heterostructure is studied within a mean field approximation. The resulting nonlinear Schrodinger equation shows genuine chaos with a positive maximum Lyapunov exponent. A simplified model of the same system suggests that chaos develops only if the interaction among the particles is nonuniform in space.
Chaos in many body quantum systems / Presilla, Carlo; G., Jonalasinio; F., Capasso. - 7:(1995), pp. 3-10. (Intervento presentato al convegno Miniworkshop on Nonlinearity - Chaos in Mesoscopic Systems / Adriatico Research Conference on Mesoscopic Systems and Chaos, a Novel Approach tenutosi a TRIESTE, ITALY nel 1993).
Chaos in many body quantum systems
PRESILLA, Carlo;
1995
Abstract
A many body quantum system undergoing multiple resonant tunneling in a double barrier heterostructure is studied within a mean field approximation. The resulting nonlinear Schrodinger equation shows genuine chaos with a positive maximum Lyapunov exponent. A simplified model of the same system suggests that chaos develops only if the interaction among the particles is nonuniform in space.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
