Competing Energy Scales in Topological Superconducting Heterostructures

Topological Superconductivity in Artificial Heterostructures

Vortex lattices in the superconducting phases of doped topological insulators and heterostructures

Hsiang-Hsuan Hung,1,2 Pouyan Ghaemi,3 Taylor L. Hughes,3 and Matthew J. Gilbert1,2 1Department of Electrical and Computer Engineering, University of Illinois, Urbana, Illinois 61801, USA 2Micro and Nanotechnology Laboratory, University of Illinois, 208 N. Wright St, Urbana Illinois 61801, USA 3Department of Physics, University of Illinois, Urbana, Illinois 61801, USA (Received 27 September 2012...

Odd-frequency pairing in superconducting heterostructures.

We review the theory of odd-frequency pairing in superconducting heterostructures, where an odd-frequency pairing component is induced near interfaces. A general description of the superconducting proximity effect in a normal metal or a ferromagnet attached to an unconventional superconductor (S) is given within quasiclassical kinetic theory for various types of symmetry state in S. Various pos...

Vortex lines in topological insulator-superconductor heterostructures

Ching-Kai Chiu,1 Matthew J. Gilbert,2,3 and Taylor L. Hughes1 1Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA 2Department of Electrical and Computer Engineering, University of Illinois, 1406 West Green Street, Urbana, Illinois 61801, USA 3Micro and Nanotechnology Laboratory, University of Illinois, 208 North Wright Street, Urbana, Illinois 618...

Proximity effect in graphene-topological-insulator heterostructures.

We formulate a continuum model to study the low-energy electronic structure of heterostructures formed by graphene on a strong three-dimensional topological insulator (TI) for the cases of both commensurate and incommensurate stacking. The incommensurability can be due to a twist angle between graphene and the TI surface or a lattice mismatch between the two systems. We find that the proximity ...