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Aharonov-Bohm magnetization of mesoscopic rings caused by inelastic relaxation | | O.L.Chalaev
; V.E.Kravtsov
; | | Date: |
8 Apr 2002 | | Journal: | Phys. Rev. Lett., v.89, 176601 (2002). | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | The magnetization of a system of many mesoscopic rings under non-equilibrium conditions is considered. The corresponding disorder-averaged current in a ring is shown to be a sum of the `thermodynamic’ and `kinetic’ contributions both resulting from the electron-electron interaction. The thermodynamic part can be expressed through the diagonal matrix elements of the current operator in the basis of exact many-body eigenstates and is a generalization of the equilibrium persistent current. The novel kinetic part is present only out of equilibrium and is governed by the off-diagonal matrix elements. It has drastically different temperature and magnetic field behavior. | | Source: | arXiv, cond-mat/0204176 | | Services: | Forum | Review | PDF | Favorites | |
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