Observations of indirect exciton trapping in one- and two-dimensional magnetic lattices

Details Observations of indirect exciton trapping in one- and two-dimensional magnetic lattices Observations of indirect exciton trapping in one- and two-dimensional magnetic lattices

2012-02-23

arxiv.org/abs/1202.5095v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

A simple method to create and control magnetic potentials onto coupled quantum wells is demonstrated for indirect-exciton magnetic confinement. Localized inhomogeneous magnetic potentials with periodically distributed local minima and maxima, known as magnetic lattices, are projected into the plane of the coupled quantum wells and used for the spatially distributed two-dimensional indirect-exciton trapping, in which case localized indirect-excitons are observed. The indirect-exciton trapping mechanism is examined by controlling external magnetic field bias resulting in a shift of the localized excitonic lattice.

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