Landau level spectroscopy of narrow bands in moiré quantum matter

Nikolai Zhitenev

doi:10.1117/12.2676871

5 October 2023 Landau level spectroscopy of narrow bands in moiré quantum matter

Nikolai Zhitenev

Proceedings Volume PC12651, Low-Dimensional Materials and Devices 2023; PC1265109 (2023) https://doi.org/10.1117/12.2676871
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Flat and narrow band physics in moiré quantum matter has proven to be extremely rich with new emergent quantum phases. The topological properties of the eigenstates of the moiré Hamiltonian are critical for establishing the quantum phase of the system. While the emergence of non-trivial Chern numbers has been observed, it is important to characterize the quantum geometry in detail including Berry curvature and less known quantum metric effects throughout the bands. Using a local probe, we employ magnetic oscillations as a “ruler” for quantum geometry in small-angle twisted double bilayer graphene.

Conference Presentation

Citation Download Citation

Nikolai Zhitenev "Landau level spectroscopy of narrow bands in moiré quantum matter", Proc. SPIE PC12651, Low-Dimensional Materials and Devices 2023, PC1265109 (5 October 2023); https://doi.org/10.1117/12.2676871

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