192 citations · 1k across the 16 of their papers we have counts for
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quant-ph2013★ 184 cited
Uhlmann Phase as a Topological Measure for One-Dimensional Fermion Systems
O. Viyuela, A. Rivas, M. A. Martin-Delgado
We introduce the Uhlmann geometric phase as a tool to characterize symmetry-protected topological phases in 1D fermion systems, such as topological insulators and superconductors.…
cond-mat.mes-hall2013★ 113 cited
Density Matrix Topological Insulators
A. Rivas, O. Viyuela, M. A. Martin-Delgado
Thermal noise can destroy topological insulators (TI). However we demonstrate how TIs can be made stable in dissipative systems. To that aim, we introduce the notion of band Liouvi…