2018/12/13 by Keshav Pareek, Arijit Kundu, Pareek, Keshav +1
Materials Science · Physics and Astronomy · #FOS: Physical sciences #Graphene research and applications #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #Quantum and electron transport phenomena #Topological Materials and Phenomena
paper · pdf · doi:10.48550/arxiv.1812.05504
openalex publication_date 2018/12/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We numerically study the non-local transport signature in Weyl semimetal as a test for interconnectedness of the surface states, using a recursive Green's function method. We drive a current using two leads connected on the same surface (top surface) and apply a magnetic field throughout the system, perpendicular to the surface. We find that this results in a current flowing on the other surface in the direction opposite to the direction of the current on the top surface and we comment on the viability of observing such an effect in experiment. The recursive Green's function method we employ is exact and provides us with the Green's functions of the two surfaces as well as their connecting elements, which can be applied also for other numerical simulations where the effect of surface to surface transport is important.