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Entangled Orbital Triplet Pairs in Iron-Based Superconductors
T. Tzen Ong, P. Coleman, J. Schmalian
A key question in high temperature iron-based superconductivity is the mechanism by which the paired electrons minimize their strong mutual Coulomb repulsion. While electronically…
Spins, electrons and broken symmetries: realizations of two channel Kondo physics
Rebecca Flint, Piers Coleman
Adding a second Kondo channel to heavy fermion materials reveals new exotic symmetry breaking phases associated with the development of Kondo coherence. In this paper, we review tw…
End states in a 1-D topological Kondo insulator
Victor Alexandrov, Piers Coleman
To gain further insight into the properties of interacting topological insulators, we study a 1 dimensional model of topological Kondo insulators which can be regarded as the stron…
He-R: A Topological Superfluid with Triplet Pairing
T. Tzen Ong, Piers Coleman
We show that when spin and orbital angular momenta are entangled by spin-orbit coupling, this transforms a topological spin-triplet superfluid/superconductor state, such as H…
Hidden and Hastatic Orders in URu2Si2
Rebecca Flint, Premala Chandra, Piers Coleman
The hidden order developing below 17.5K in the heavy fermion material URu2Si2 has eluded identification for over twenty five years. This paper will review the recent theory of ``ha…
Molecular Pairing and Fully-Gapped Superconductivity in Yb doped CeCoIn5
Onur Erten, Rebecca Flint, Piers Coleman
The recent observation of fully-gapped superconductivity in Yb doped CeCoIn5 poses a paradox, for the disappearance of nodes suggests that they are accidental, yet d-wave symmetry…