Signatures of a degenerate many-body state of interlayer excitons in a van der Waals heterostack
Lukas Sigl, Florian Sigger, Fabian Kronowetter, Jonas Kiemle, Julian Klein, Kenji Watanabe, Takashi Taniguchi, Jonathan J. Finley, Ursula Wurstbauer, Alexander W. Holleitner
Abstract
The authors report on photogenerated ensembles of interlayer excitons in two-dimensional materials exhibiting distinct signatures in accordance with predicted criticalities of a degenerate many-body ground state, such as a Bose-Einstein condensate.
Topics & Concepts
Degenerate energy levelsExcitonPhysicsGround statevan der Waals forceCondensed matter physicsState (computer science)Molecular physicsMaterials scienceAtomic physicsQuantum mechanicsChemistryBiexciton2D Materials and ApplicationsOrganic and Molecular Conductors ResearchStrong Light-Matter Interactions