Moir\'e with flat bands is different
Tero T. Heikkila, Timo Hyart
TL;DR
This paper discusses how recent discoveries in twisted bilayer graphene challenge traditional theories of superconductivity and suggest new mechanisms to potentially achieve room-temperature superconductivity.
Contribution
It introduces a new perspective on superconductivity in moiré systems with flat bands, emphasizing the role of recent experimental findings in TBG.
Findings
Reconsideration of traditional Fermi surface-based theories
Potential pathways to increase superconducting critical temperature
Implications of moiré flat bands for high-temperature superconductivity
Abstract
Recent experimental discoveries of superconductivity and other exotic electronic states in twisted bilayer graphene (TBG) call for a reconsideration of our traditional theories of these states, usually based on the assumption of the presence of a Fermi surface. Here we show how such developments may even help us finding mechanisms of increasing the critical temperature of superconductivity towards the room temperature.
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