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cond-mat.mes-hall2024
Broken Lorentz symmetry and violation of the Wiedemann-Franz law in topological insulators
Feng Liu, A. Daria Dumitriu-I., Alessandro Principi
We study a two-dimensional topological insulator in the presence of a static non-uniform gravitational field, which mimics the variations in the temperature distribution. We derive…
cond-mat.mes-hall2024
No bulk thermal currents in massive Dirac fermions
Feng Liu, A. Daria Dumitriu-I., Alessandro Principi
We calculate the energy current flowing in the bulk of a (2+1)-dimensional system of massive Dirac fermions and along a (1+1)-dimensional domain wall generated by flipping the sign…