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cond-mat.str-el2015★ 9 cited
Critical quasiparticles in single-impurity and lattice Kondo models
Matthias Vojta, Ralf Bulla, Peter Wölfle
Quantum criticality in systems of local moments interacting with itinerant electrons has become an important and diverse field of research. Here we review recent results which conc…
cond-mat.str-el2015★ 87 cited
Physical states and finite-size effects in Kitaev's honeycomb model: Bond disorder, spin excitations, and NMR lineshape
Fabian Zschocke, Matthias Vojta
Kitaev's compass model on the honeycomb lattice realizes a spin liquid whose emergent excitations are dispersive Majorana fermions and static Z_2 gauge fluxes. We discuss the prope…