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Polariton Supercurrent Generation in Unipolar Electro-optic Devices
Ming Xie, David Snoke, A. H. MacDonald
We describe a mechanism by which an electrical bias voltage applied across a unipolar semiconductor quantum well can drive an exciton or polariton supercurrent. The mechanism depen…
Theory of optical absorption by interlayer excitons in transition metal dichalcogenide heterobilayers
Fengcheng Wu, Timothy Lovorn, A. H. MacDonald
We present a theory of optical absorption by interlayer excitons in a heterobilayer formed from transition metal dichalcogenides. The theory accounts for the presence of small rela…
Topological Dirac states beyond orbitals for silicene on SiC(0001) surface
Ping Li, Xiao Li, Wei Zhao +6
The discovery of intriguing properties related to the Dirac states in graphene has spurred huge interest in exploring its two-dimensional group-IV counterparts, such as silicene, g…
Moiré band model and band gaps of graphene on hexagonal boron nitride
Jeil Jung, Evan Laksono, Ashley M. DaSilva +3
Nearly aligned graphene on hexagonal boron nitride (G/BN) can be accurately modeled by a Dirac Hamiltonian perturbed by smoothly varying moiré pattern pseudospin fields. Here, we p…
Quantum Kinetic Theory of the Chiral Anomaly
Akihiko Sekine, Dimitrie Culcer, Allan H. MacDonald
We present a general quantum kinetic theory of low-field magnetotransport in weakly disordered crystals that accounts fully for the interplay between electric-field induced interba…
Topological antiferromagnetic spintronics: Part of a collection of reviews on antiferromagnetic spintronics
Libor Šmejkal, Yuriy Mokrousov, Binghai Yan +1
The recent demonstrations of electrical manipulation and detection of antiferromagnetic spins have opened up a chapter in the spintronics story. In this article, we review the emer…