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cond-mat.mes-hall2012★ 30 cited
Metallic phase of the quantum Hall effect in four-dimensional space
J. M. Edge, J. Tworzydło, C. W. J. Beenakker
We study the phase diagram of the quantum Hall effect in four-dimensional (4D) space. Unlike in 2D, in 4D there exists a metallic as well as an insulating phase, depending on the d…
cond-mat.mes-hall2012★ 28 cited
Thermal metal-insulator transition in a helical topological superconductor
I. C. Fulga, A. R. Akhmerov, J. Tworzydło +2
Two-dimensional superconductors with time-reversal symmetry have a Z_2 topological invariant, that distinguishes phases with and without helical Majorana edge states. We study the…