We studied transport of indirect excitons (IXs) and IX mediated spin transport in a MoSe2/WSe2 van der Waals heterostructure in magnetic fields up to 8 T. We observed long-range IX transport and long-range IX mediated spin transport in magnetic fields. Both IX transport and spin transport are characterized by 1/e decay distances reaching ∼100 μm. The decay distance of spin transport correlates with the decay distance of IX transport. These decay distances first increase and then decrease with increasing IX density for all studied magnetic fields.
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Zhou et al. (2026) studied this question.
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