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Electronic Structure Theory of Strained Two-Dimensional Materials with Hexagonal Symmetry
Shiang Fang, Stephen Carr, Miguel A. Cazalilla +1
We derive electronic tight-binding Hamiltonians for strained graphene, hexagonal boron nitride and transition metal dichalcogenides based on Wannier transformation of {\it ab initi…
Spin-charge conversion in disordered two-dimensional electron gases lacking inversion symmetry
Chunli Huang, Mirco Milletari, Miguel Cazalilla
We study the spin-charge conversion mechanisms in a two-dimensional gas of electrons moving in a smooth disorder potential by accounting for both Rashba-type and Mott's skew scatte…
The Haldane model under nonuniform strain
Yen-Hung Ho, Eduardo V. Castro, Miguel A. Cazalilla
We study the Haldane model under strain using a tight-binding approach, and compare the obtained results with the continuum-limit approximation. As in graphene, nonuniform strain l…
Anomalous Nonlocal Resistance and Spin-charge Conversion Mechanisms in Two-Dimensional Metals
Chunli Huang, Y. D Chong, Miguel A. Cazalilla
We uncover two anomalous features in the nonlocal transport behavior of two-dimensional metallic materials with spin-orbit coupling. Firstly, the nonlocal resistance can have negat…