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8 papers · 2 filters
Axial anomaly generation by domain wall motion in Weyl semimetals
Julia D. Hannukainen, Yago Ferreiros, Alberto Cortijo +1
A space-time dependent node separation in Weyl semimetals acts as an axial vector field. Coupled with domain wall motion in magnetic Weyl semimetals, this induces axial electric an…
Piezoelectricity in monolayer hexagonal boron nitride
P. Ares, T. Cea, M. Holwill +7
Two-dimensional (2D) hexagonal boron nitride (hBN) is a wide-bandgap van der Waals crystal with a unique combination of properties, including exceptional strength, large oxidation…
Tailoring topological order and π-conjugation to engineer quasi-metallic polymers
B. Cirera, A. Sánchez-Grande, B. de la Torre +11
Topological band theory provides a conceptual framework to predict or even engineer robust metallic states at the boundaries of topologically distinct phases. The bulk-boundary cor…
A numerical study of the rippling instability driven by electron-phonon coupling in graphene
Tommaso Cea, Miguel Ruiz-Garcia, Luis Bonilla +1
Suspended graphene exhibits ripples of size ranging from 50 to 100 Å and height 10Å, however, their origin remains undetermined. Previous theoretical works have proposed that…
Strong-field-driven dynamics and high-harmonic generation in interacting 1D systems
Sandra de Vega, Joel D. Cox, Fernando Sols +1
We explore the roles of electronic band structure and Coulomb interactions in solid-state HHG by studying the optical response of linear atomic chains and carbon nanotubes to inten…
Direct and inverse spin Hall effect: Lorentz force and Zeeman energy
Antonio Hernando, Fernando Gálvez, Francisco Guinea
It is shown that magnetic forces as the Lorentz force, exerted on electric currents, and the force μDiv(B), exerted on electron spins at rest, account for both the transverse spin…