Dephasing by mirror-symmetry breaking and resulting magnetoresistance across the topological transition in Pb$_{1-x}$Sn$_{x}$Se

13 Nov 2020 Kazakov Alexander Brzezicki Wojciech Hyart Timo Turowski Bartłomiej Polaczyński Jakub Adamus Zbigniew Aleszkiewicz Marta Wojciechowski Tomasz Domagala Jaroslaw Z. Caha Ondrej Varykhalov Andrei Springholz Gunther Wojtowicz Tomasz Volobuev Valentine V. Dietl Tomasz

Many conductors, including recently studied Dirac materials, show saturation of coherence length on decreasing temperature. This surprising phenomenon is assigned to external noise, residual magnetic impurities or two-level systems specific to non-crystalline solids... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • MATERIALS SCIENCE