Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-09-12
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
In this paper we suggest a method to observe remote interactions of spatially separated dipolar quantum fluids, and in particular of dipolar excitons in GaAs bilayer based devices. The method utilizes the static electric dipole moment of trapped dipolar fluids to induce a local potential change on spatially separated test dipoles. We show that such an interaction can be used for a model- independent, objective fluid density measurements, an outstanding problem in this field of research, as well as for inter-fluid exciton flow control and trapping. For a demonstration of the effects on realistic devices, we use a full two-dimensional hydrodynamical model.
Cohen Kobi
Rapaport Ronen
Santos Paulo
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