High resolution imaging of broken symmetry states in Hofstadter bands
ORAL
Abstract
Hofstadter spectrum provides a new platform to study the interplay between band topology and strong electron-electron interaction. While previous studies have identified incompressible states at both integer and fractional fillings of Hofstadter bands, little is known about their microscopic nature and corresponding possible symmetries. We use scanning tunneling microscopy (STM) to directly image the Hofstadter states in the Bernal-stacked bilayer graphene (BLG) fully aligned with h-BN at high magnetic fields and identify their symmetries.
*Funding: We thank DOE, NSF, and Moore Foundation for funding support.
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Presenters
Yen-Chen Tsui
Princeton University
Authors
Yen-Chen Tsui
Princeton University
Minhao He
Princeton University
Taige Wang
University of California, Berkeley
Kenji Watanabe
National Institute for Materials Science
NIMS
Research Center for Functional Materials, National Institute for Materials Science
Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
National Institute of Materials Science
Advanced Materials Laboratory, National Institute for Materials Science
Takashi Taniguchi
National Institute for Materials Science
International Center for Materials Nanoarchitectonics, National Institute for Materials Science
Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
Advanced Materials Laboratory, National Institute for Materials Science
