paper

Magneto-electronic properties of multilayer black phosphorus

arXiv:1505.00175 · doi:10.1103/PhysRevB.92.085408

Abstract

We examine the electronic properties of 2D electron gas in black phosphorus multilayers in the presence of a perpendicular magnetic field, highlighting the role of in-plane anisotropy on various experimental quantities such as ac magneto-conductivity, screening, and magneto-plasmons. We find that resonant structures in the ac conductivity exhibits a red-shift with increasing doping due to inter-band coupling, . This arises from an extra correction term in the Landau energy spectrum proportional to ( is Landau index), up to second order in . We found also that Coulomb interaction leads to highly anisotropic magneto-excitons.

8 pages, 5 figures

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