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.