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Efficient transport kinetics of indirect excitons in van der Waals heterostructure.
Nature Communications · · Journal Article · Open access
Zhou, Brunner + more
Abstract ↗AI summary
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Anomalously high mobility enables efficient transport kinetics of spatially indirect excitons in a van der Waals heterostructure, even with substantial in-plane disorder.
- Why it matters: Exciton transport underpins bosonic transport and excitation energy transfer, but disorder typically suppresses indirect exciton motion by localizing and scattering them.
- What they did: The authors measured indirect exciton transport kinetics in a van der Waals heterostructure and analyzed how mobility changes with temperature and exciton density under substantial in-plane disorder.
- The result: The anomalously high mobility disappears as temperature increases and shows non-monotonic dependence on density, matching theoretical expectations for indirect exciton superfluidity.
The findingWhy it mattersWhat they didThe result
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- 1 cites