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Weyl semimetals with short-range interactions
Joseph Maciejko, Rahul Nandkishore
We construct a low-energy effective field theory of electrons interacting via short-range interactions in a Weyl semimetal and investigate possible broken-symmetry ground states th…
Topological order in a correlated three-dimensional topological insulator
Joseph Maciejko, Victor Chua, Gregory A. Fiete
Motivated by experimental progress in the growth of heavy transition metal oxides, we theoretically study a class of lattice models of interacting fermions with strong spin-orbit c…
Topological order in a correlated Chern insulator
Joseph Maciejko, Andreas Rüegg
We study the effect of electron-electron interactions in a spinful Chern insulator. For weak on-site repulsive interactions at half-filling, the system is a weakly correlated Chern…
Field theory of the quantum Hall nematic transition
J. Maciejko, B. Hsu, S. A. Kivelson +2
The topological physics of quantum Hall states is efficiently encoded in purely topological quantum field theories of the Chern-Simons type. The reliable inclusion of low-energy dy…
Superconductivity of disordered Dirac fermions
Rahul Nandkishore, Joseph Maciejko, David A. Huse +1
We study the effect of disorder on massless, spinful Dirac fermions in two spatial dimensions with attractive interactions, and show that the combination of disorder and attractive…