TY  - JOUR
AU  - Viyuela, O.
AU  - Rivas, A.
AU  - Martín-Delgado Alcántara, Miguel Ángel
PY  - 2014
DO  - 10.1103/PhysRevLett.112.130401
SN  - 0031-9007
UR  - https://hdl.handle.net/20.500.14352/35600
T2  - Physical review letters
AB  - We introduce the Uhlmann geometric phase as a tool to characterize symmetry-protected topological phases in one-dimensional fermion systems, such as topological insulators and superconductors. Since this phase is formulated for general mixed quantum...
LA  - eng
PB  - American Physical Society
KW  - Parallel transport
KW  - Mixed states
KW  - Insulators
KW  - Supercondunctors
KW  - Bands
TI  - Uhlmann phase as a topological measure for one-dimensional fermion systems
TY  - journal article
VL  - 112
ER  -