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Author

J. A. Cañas

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Preprint Sep 2026

Disorder-induced modulation of the nonlinear Hall effect in Weyl semimetals

We study the effects of impurity scattering on the nonlinear Hall response of Weyl semimetals within the semiclassical Boltzmann approach. We derive the rectified and second-harmonic conductivity tensors for a general momentum-dependent transport relaxation time and evaluate this quantity microscopically for short-rang...

J. A. Cañas, Daniel A. Bonilla, A. Martín-Ruiz · 0 citations
Preprint Oct 2026

Steering of topological criticality in the Su-Schrieffer-Heeger chain via non-Hermitian substitutional impurities

We investigate the topological phase in a one-dimensional Su-Schrieffer-Heeger (SSH) chain in the presence of a finite concentration of non-Hermitian substitutional impurities. Our primary focus is the discovery of a deterministic mechanism to actively reconfigure the topological phase boundaries by introducing site-de...

J. A. Cañas, Guo-Qing Zhang, A. Martín-Ruiz · 0 citations

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