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Robust Zero Energy Bound States Localized at Magnetic Impurities in Iron-based Superconductors
Kangjun Seo, Jay D. Sau, Sumanta Tewari
We investigate the effect of spin-orbit coupling on the in-gap bound states localized at magnetic impurities in multi-band superconductors with unconventional (sign-changed) and co…
A practical phase gate for producing Bell violations in Majorana wires
David J. Clarke, Jay D. Sau, Sankar Das Sarma
The Gottesman-Knill theorem holds that operations from the Clifford group, when combined with preparation and detection of qubit states in the computational basis, are insufficient…
Role of boundary conditions, topology and disorder in the chiral magnetic effect in Weyl semimetals
Yahya Alavirad, Jay D. Sau
Quantum field theory predicts Weyl semimetals to possess a peculiar response of the longitudinal current density to the application of a DC magnetic field. Such a response function…
Physical Architecture for a Universal Topological Quantum Computer based on a Network of Majorana Nanowires
Maissam Barkeshli, Jay D. Sau
The idea of topological quantum computation (TQC) is to store and manipulate quantum information in an intrinsically fault-tolerant manner by utilizing the physics of topologically…
Bulk disorder in the superconductor affects proximity-induced topological superconductivity
Hoi-Yin Hui, Jay D. Sau, S. Das Sarma
We investigate effects of ordinary nonmagnetic disorder in the bulk of a superconductor on magnetic adatom-induced Shiba states and on the proximity-induced superconductivity in a…
Dirty Weyl semimetals: Stability, phase transition and quantum criticality
Soumya Bera, Jay D. Sau, Bitan Roy
We study the stability of three-dimensional incompressible Weyl semimetals in the presence of random quenched charge impurities. Combining numerical analysis and scaling theory we…