Generic transmission zeros and in-phase resonances in time-reversal symmetric single channel transport

Details Generic transmission zeros and in-phase resonances in time-reversal symmetric single channel transport Generic transmission zeros and in-phase resonances in time-reversal symmetric single channel transport

1999-02-11

arxiv.org/abs/cond-mat/9902160v2

Phys. Rev. Lett. vol.82, 2358 (1999).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

One additional reference and minor corrections. Tentatively scheduled for Phys. Rev. Lett. March 22nd issue

Scientific paper

10.1103/PhysRevLett.82.2358

We study phase coherent transport in a single channel system using the scattering matrix approach. It is shown that identical vanishing of the transmission amplitude occurs generically in quasi-1D systems if the time-reversal is a good symmetry. The transmission zeros naturally lead to abrupt phase changes (without any intrinsic energy scale) and in-phase resonances, providing insights to recent experiments on phase coherent transport through a quantum dot.

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