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Emergent Criticality and Friedan Scaling in a 2D Frustrated Heisenberg Antiferromagnet
Peter P. Orth, Premala Chandra, Piers Coleman +1
We study a two-dimensional frustrated Heisenberg antiferromagnet on the windmill lattice consisting of triangular and dual honeycomb lattice sites. In the classical ground state th…
Theory of the Electron Spin Resonance in the Heavy Fermion Metal β-YbAlB4
Aline Ramires, Piers Coleman
The heavy fermion metal β-YbAlB4 exhibits a bulk room temperature conduction electron ESR signal which evolves into an Ising-anisotropic f-electron signal exhibiting hyperfine feat…
Cubic Topological Kondo Insulators
Victor Alexandrov, Maxim Dzero, Piers Coleman
Current theories of Kondo insulators employ the interaction of conduction electrons with localized Kramers doublets originating from a tetragonal crystalline environment, yet all K…
TAO pairing: a fully gapped pairing scenario for the Iron-Based Superconductors
T. Tzen Ong, Piers Coleman
Motivated by the fully gapped superconductivity in iron-based superconductors with uncompensated electron pockets, we propose a spin singlet, but orbital triplet analogue of the su…