Research

Selected Publications

• Q. Guo*, I. Esin*, C. Li*, C. Chen, S. Liu, J. H. Edgar, S. Zhou, E. Demler, G. Refael, and F. Xia, “Observation of Hyperbolic Phonon-Polariton Electroluminescence in Graphene-hBN van Der Waals Heterostructures”, Nature 639, 915 (2025) 

• C. Yang, W. Hunt, G. Refael, and I. Esin, “Quantized Acoustoelectric Floquet Effect in Quantum Nanowires”, Phys. Rev. Lett. 133, 226301 (2024)

• I. Esin, I. Esterlis, E. Demler, and G. Refael, “Generating Coherent Phonon Waves in Narrow-Band Materials: A Twisted Bilayer Graphene Phaser”, Phys. Rev. Lett. 130, 147001 (2023)