Kubo formula for dc conductivity: Generalization to systems with spin-orbit coupling
We revise the Kubo formula for the electric dc conductivity in the presence of spin-orbit coupling (SOC). We discover that each velocity operator that enters this formula differs from ∂H/∂p, where H is the Hamiltonian and p is the canonical momentum. Moreover, we find an additional contribution to t...
Main Authors: | I. A. Ado, M. Titov, Rembert A. Duine, Arne Brataas |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2024-03-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.6.L012057 |
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