Failed insulating behavior observed in Moire systems
ORAL
Abstract
Identifying insulators and metals in real materials is obscure but essential to interpreting different types of Metal-Insulator transitions in experiments. We observed a characteristic "failed insulator" behavior displayed in recent transport measurements in a large number of materials, including the ABC trilayer material, twisted bilayer graphene, etc. In this study, we show that this phenomenon can be seen as a precursor to band-splitting-driven MITs, and can be fully accounted for by recent theoretical advances proposing the scaling behavior near the transitions.
* L.R. was supported by the SNSF via Ambizione grant PZ00P2_174208. Y.T. and V. D. was supported by the NSF Grant No. 1822258, and the National High Magnetic Field Laboratory through the NSF Cooperative Agreement No. 1644779 and the State of Florida. Y.T. was also supported by Laboratory for Physical Sciences.
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Presenters
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Yuting Tan
National High Magnetic Field Laboratory, CMTC and JQI, Department of Physics, University of Maryland
Authors
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Yuting Tan
National High Magnetic Field Laboratory, CMTC and JQI, Department of Physics, University of Maryland
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Louk Rademaker
Univ of Geneva
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Vladimir Dobrosavljevic
Florida State University