Disorder correction to the minimal conductance of a nodal-point semimetal

22 Jul 2020 Shi Zheng Sbierski Björn Brouwer Piet W.

We consider the disorder-induced correction to the minimal conductance of an anisotropic two-dimensional Dirac node or a three-dimensional Weyl node. An analytical expression is derived for the correction $\delta G$ to the conductance of a finite-size sample by an arbitrary potential, without taking the disorder average, in second-order perturbation theory... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS