489 citations · 1k across the 8 of their papers we have counts for
8 papers
Majorana fermion exchange in strictly one dimensional structures
Ching-Kai Chiu, M. M. Vazifeh, M. Franz
It is generally thought that adiabatic exchange of two identical particles is impossible in one spatial dimension. Here we describe a simple protocol that permits adiabatic exchang…
Self-Organized Topological State with Majorana Fermions
M. M. Vazifeh, M. Franz
Topological phases, quite generally, are difficult to come by. They either occur under rather extreme conditions (e.g. the quantum Hall liquids, which require high sample purity, s…
Electromagnetic Response of Weyl Semimetals
M. M. Vazifeh, M. Franz
It has been suggested recently, based on subtle field-theoretical considerations, that the electromagnetic response of Weyl semimetals and the closely related Weyl insulators can b…
Weyl Semimetal from the Honeycomb Array of Topological Insulator Nanowires
M. M. Vazifeh
We show that isolated Weyl nodes can arise in a system of parallel topological insulator nano-wires arranged in a honeycomb fashion. This introduces another theoretical example of…
Stability of Majorana Fermions in Proximity-Coupled Topological Insulator Nanowires
A. M. Cook, M. M. Vazifeh, M. Franz
It has been shown previously that a finite-length topological insulator nanowire, proximity-coupled to an ordinary bulk s-wave superconductor and subject to a longitudinal applied…
Spin Response of Electrons on the Surface of a Topological Insulator
M. M. Vazifeh, M. Franz
The surface of a topological insulator hosts a very special form of a quasi-two dimensional metallic system when it is embedded in a topologically trivial medium like the vacuum. T…
Quantization and Periodicity of the Axion Action in Topological Insulators
M. M. Vazifeh, M. Franz
The Lagrangian describing the bulk electromagnetic response of a three-dimensional strong topological insulator contains a topological `axion' term of the form 'θE dot B'. It is of…
Effect of disorder on the ground-state properties of graphene
R. Asgari, M. M. Vazifeh, M. R. Ramezanali +2
We calculate the ground-state energy of Dirac electrons in graphene in the presence of disorder. We take randomly distributed charged impurities at a fixed distance from the graphe…