Evolution of superconductivity in twisted graphene multilayers
The group of moiré graphene superconductors keeps growing, and by now it contains
twisted graphene multilayers as well as untwisted stacks. We analyze here the contribution …
twisted graphene multilayers as well as untwisted stacks. We analyze here the contribution …
Topological superconductivity in doped magnetic moiré semiconductors
We show that topological superconductivity may emerge upon do** of transition metal
dichalcogenide heterobilayers above an integer-filling magnetic state of the topmost valence …
dichalcogenide heterobilayers above an integer-filling magnetic state of the topmost valence …
Bridging the small and large in twisted transition metal dichalcogenide homobilayers: A tight binding model capturing orbital interference and topology across a wide …
Many of the important phases observed in twisted transition metal dichalcogenide
homobilayers are driven by short-range interactions, which should be captured by a local …
homobilayers are driven by short-range interactions, which should be captured by a local …
Nodal band-off-diagonal superconductivity in twisted graphene superlattices
The superconducting state and mechanism are among the least understood phenomena in
twisted graphene systems. Recent tunneling experiments indicate a transition between …
twisted graphene systems. Recent tunneling experiments indicate a transition between …
Interactions mediated by atoms, photons, electrons, and excitons
Interactions between quasiparticles mediated by a surrounding environment are ubiquitous
and lead to a range of important effects from collective modes of low-temperature quantum …
and lead to a range of important effects from collective modes of low-temperature quantum …
Magnonic superconductivity
We uncover a superconducting state with partial spin polarization induced by a magnetic
field. This state, which we call “magnonic superconductor,” lacks a conventional pairing …
field. This state, which we call “magnonic superconductor,” lacks a conventional pairing …
Enhanced superconductivity through virtual tunneling in Bernal bilayer graphene coupled to
Motivated by a recent experiment (Y. Zhang, arxiv: 2205.05087), we investigate a possible
mechanism that enhances superconductivity in hole-doped Bernal bilayer graphene due to …
mechanism that enhances superconductivity in hole-doped Bernal bilayer graphene due to …
Spinon Pairing Induced by Chiral In-Plane Exchange and the Stabilization of Odd-Spin Chern Number Spin Liquid in Twisted
The unusual structure and symmetry of low-energy states in twisted transition metal
dichalcogenides leads to large in-plane spin-exchange interactions between spin-valley …
dichalcogenides leads to large in-plane spin-exchange interactions between spin-valley …
Superconductivity induced by strong electron-exciton coupling in doped atomically thin semiconductor heterostructures
We study a mechanism to induce superconductivity in atomically thin semiconductors where
excitons mediate an effective attraction between electrons. Our model includes interaction …
excitons mediate an effective attraction between electrons. Our model includes interaction …
Chiral model of twisted bilayer graphene realized in a monolayer
We demonstrate that a single layer of graphene subject to a superlattice potential nearly
commensurate to a 3× 3 supercell exactly maps to the chiral model of twisted bilayer …
commensurate to a 3× 3 supercell exactly maps to the chiral model of twisted bilayer …