Generating particle-like scattering states in wave transport

Details Generating particle-like scattering states in wave transport Generating particle-like scattering states in wave transport

2010-08-18

arxiv.org/abs/1008.3132v2

Phys.Rev.Lett.106:120602,2011

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, plus supplemental material (final version)

Scientific paper

10.1103/PhysRevLett.106.120602

We introduce a procedure to generate scattering states which display trajectory-like wave function patterns in wave transport through complex scatterers. These deterministic scattering states feature the dual property of being eigenstates to the Wigner-Smith time-delay matrix and to the transmission matrix with classical (noiseless) transmission eigenvalues close to 0 or 1. Our procedure to create such beam-like states is based solely on the scattering matrix and successfully tested numerically for regular, chaotic and disordered cavities. These results pave the way for the experimental realization of highly collimated wave fronts in transport through complex media with possible applications like secure and low-power communication.

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