Hofstadter subband ferromagnetism and symmetry-broken Chern insulators in twisted bilayer graphene

Volume: 17, Issue: 4, Pages: 478 - 481
Published: Jan 11, 2021
Abstract
When the twist angle between two layers of graphene is approximately 1.1°, interlayer tunnelling and rotational misalignment conspire to create a pair of flat bands1 that are known to host various insulating, superconducting and magnetic states when they are partially filled2–7. Most work has focused on the zero-magnetic-field phase diagram, but here we show that twisted bilayer graphene in a finite magnetic field hosts a cascade of...
Paper Details
Title
Hofstadter subband ferromagnetism and symmetry-broken Chern insulators in twisted bilayer graphene
Published Date
Jan 11, 2021
Volume
17
Issue
4
Pages
478 - 481
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