Memory effects in adiabatic quantum pumping with parasitic nonlinear dynamics

Details Memory effects in adiabatic quantum pumping with parasitic nonlinear dynamics Memory effects in adiabatic quantum pumping with parasitic nonlinear dynamics

2010-10-05

arxiv.org/abs/1010.1151v1

Phys. Rev. B 82, 085317 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevB.82.085317

The charge current adiabatically pumped through a mesoscopic region coupled to a classical variable obeying a nonlinear dynamics is studied within the scattering matrix approach. Due to the nonlinearity in the dynamics of the variable, a hysteretic behavior of the pumping current can be observed for specific characteristics of the pumping cycle. The steps needed to build a quantum pump working as a memory device are discussed together with a possible experimental implementation.

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