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Topological strings linking with quasi-particle exchange in superconducting Dirac semimetals
Pedro L. S. Lopes, Jeffrey C. Y. Teo, Shinsei Ryu
We demonstrate a topological classification of vortices in three dimensional time-reversal invariant topological superconductors based on superconducting Dirac semimetals with an s…
Classification of topological quantum matter with symmetries
Ching-Kai Chiu, Jeffrey C. Y. Teo, Andreas P. Schnyder +1
Topological materials have become the focus of intense research in recent years, since they exhibit fundamentally new physical phenomena with potential applications for novel devic…
Majorana Fermions and Disclinations in Topological Crystalline Superconductors
Jeffrey C. Y. Teo, Taylor L. Hughes
We prove a topological criterion for the existence of zero-energy Majorana bound-state on a disclination, a rotation symmetry breaking point defect, in 4-fold symmetric topological…
Spin texture on the Fermi surface of tensile strained HgTe
Saad Zaheer, S. M. Young, D. Cellucci +4
We present ab initio and k.p calculations of the spin texture on the Fermi surface of tensile strained HgTe, which is obtained by stretching the zincblende lattice along the (111)…
From Luttinger liquid to non-Abelian quantum Hall states
Jeffrey C. Y. Teo, C. L. Kane
We formulate a theory of non-Abelian fractional quantum Hall states by considering an anisotropic system consisting of coupled, interacting one dimensional wires. We show that Abel…
Dirac semimetal in three dimensions
S. M. Young, S. Zaheer, J. C. Y. Teo +3
In a Dirac semimetal, the conduction and valence bands contact only at discrete (Dirac) points in the Brillouin zone (BZ) and disperse linearly in all directions around these criti…
Topological Defects and Gapless Modes in Insulators and Superconductors
Jeffrey C. Y. Teo, C. L. Kane
We develop a unified framework to classify topological defects in insulators and superconductors described by spatially modulated Bloch and Bogoliubov de Gennes Hamiltonians. We co…
Majorana Fermions and Non-Abelian Statistics in Three Dimensions
Jeffrey C. Y. Teo, C. L. Kane
We show that three dimensional superconductors, described within a Bogoliubov de Gennes framework can have zero energy bound states associated with pointlike topological defects. T…
Critical Behavior of a Point Contact in a Quantum Spin Hall Insulator
Jeffrey C. Y. Teo, C. L. Kane
We study a quantum point contact in a quantum spin Hall insulator. It has recently been shown that the Luttinger liquid theory of such a structure maps to the theory of a weak link…
Surface States of the Topological Insulator Bi_{1-x}Sb_x
Jeffrey C. Y. Teo, Liang Fu, C. L. Kane
We study the electronic surface states of the semiconducting alloy BiSb. Using a phenomenological tight binding model we show that the Fermi surface of the 111 surface states enclo…