HIGHLIGHTS
- who: Giovanna Marcelli from the Mathematics Area, SISSA, Via Bonomea, Trieste, Italy have published the Article: Purely linear response of the quantum Hall current to space-adiabatic perturbations, in the Journal: (JOURNAL)
SUMMARY
More recently, a similar topological transport has been observed in Chern insulators, where time-reversal symmetry is broken by a different mechanism than an external magnetic_field: this phenomenon is then called quantum anomalous Hall effect. When spin is a conserved quantity, namely when the spin-torque operator vanishes, a spin current operator can be defined as J z= S z . . .
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