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Controllable quantum scars in semiconductor quantum dots

MPG-Autoren
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Luukko,  Perttu J. J.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Zitation

Keski-Rahkonen, J., Luukko, P. J. J., Kaplan, L., Heller, E. J., & Rasanen, E. (2017). Controllable quantum scars in semiconductor quantum dots. Physical Review B, 96(9): 094204. doi:10.1103/PhysRevB.96.094204.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-002E-2CCB-C
Zusammenfassung
Quantum scars are enhancements of quantum probability density along classical periodic orbits. We study the recently discovered phenomenon of strong perturbation-induced quantum scarring in the two-dimensional harmonic oscillator exposed to a homogeneous magnetic field. We demonstrate that both the geometry and the orientation of the scars are fully controllable with a magnetic field and a focused perturbative potential, respectively. These properties may open a path into an experimental scheme to manipulate electric currents in nanostructures fabricated in a two-dimensional electron gas.