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Publications

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Observation of flat bands in twisted bilayer graphene

Nature Physics 17, 189 (2021)

Using angle-resolved photo-emission spectroscopy we are the first to report a direct observation of the flat bands in twisted bilayer graphene. I calculated the matrix elements that determine how the flat…

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

Nature Physics 17, 478 (2021)

Transport measurements of twisted bilayer graphene reveal a sequence of spin and valley polarized states with Chern numbers 1, 2, 3. We can understand these states using a Hartree theory on top of a…

Charge-transfer insulation in twisted bilayer graphene

Phys. Rev. B 98, 235158 (2018)

The discovery of superconductivity and Mott insulation in twisted bilayer graphene has inspired this work, where we show that the correlated insulator state stems from a macroscopic charge transfer between AA …

Enhanced superconductivity due to forward scattering in FeSe thin films on SrTiO3 substrates

New J. Phys. 18, 022001 (2016)

Our theory provides one of the most prominent explanations of enhanced superconductivity in single layer FeSe on STO substrates. It has inspired novel experiments (for example on the phonon linewidth) and…

Explicit Local Integrals of Motion for the Many-Body Localized State

Phys. Rev. Lett. 116, 010404 (2016)

We provided a novel method to compute integrals of motion in a quantum system with interactions and disorder, based on ‘displacement transformations’. Unlike others, our method can also compute the…

Impurity Bound States and Greens Function Zeroes as Local Signatures of Topology

Phys. Rev. B 92, 085126 (2015)

The classification of topological phases of matter is of utmost importance in modern condensed matter physics. We provide a simple yet effective way of observing topology by means of the experimentally…

Preprints

Determining spin-orbit coupling in graphene by quasiparticle interference imaging
L. Sun, L. Rademaker, D. Mauro, A. Scarfato, Á. Pásztor, I. Gutierrez-Lezama, Z. Wang, J. Martinez-Castro, A. F. Morpurgo and C. Renner
arXiv:2212.04926, (2022)

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