Density matrix for a mesoscopic current ribbon
classification
❄️ cond-mat
keywords
currentdensitymatrixmesoscopicribbonsystemazimuthalclosed
read the original abstract
We consider an ideal mesoscopic ribbon in which a steady azimuthal current is generated. We show that the closed interacting electron system in the presence of the current is described by a density matrix which is that of an equilibrium system without current but with a constrained Hamiltonian.
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