Coulomb drag in mesoscopic rings
arXiv:cond-mat/9609224 · doi:10.1103/PhysRevB.55.13702
Abstract
We develop a Luttinger liquid theory of the Coulomb drag of persistent currents flowing in concentric mesoscopic rings, by incorporating non-linear corrections to the electron dispersion relation. We demonstrate that at low temperatures, interactions between electrons in different rings generate an additional phase and thus alter the period of Aharonov-Bohm oscillations. The resulting nondissipative drag depends strongly on the relative parity of the electron numbers. We also show that interactions set a new temperature scale below which the linear response theory does not apply at certain values of external flux.
Latex 10 pages + 2 Figures
References in corpus (8)
- Coulomb drag between two-dimensional electron systems
- Coulomb drag between disordered two-dimensional electron gas layers
- Coulomb Drag in Normal Metals and Superconductors: Diagrammatic Approach
- Persistent Currents in 1D Disordered Rings of Interacting Electrons
- Suppression of Persistent Currents in 1-D Disordered Rings by Coulomb Interaction
- A Simple Formula for the Persistent Current in Disordered 1D Rings: Parity and Interaction Effects
- Persistant Current in Isolated Mesoscopic Rings
- The Quantum Hall Effect in Drag: Inter-layer Friction in Strong Magnetic Fields
Cited by in corpus (10)
- Coulomb drag
- Electron-drag effects in coupled electron systems
- Laser-controlled local magnetic field with semiconductor quantum rings
- Impurity-enhanced Aharonov-Bohm effect in neutral quantum-ring magnetoexcitons
- Current drag in capacitevly coupled Luttinger constrictions
- Persistent and radiation-induced currents in distorted quantum rings
- Polarization and Aharonov-Bohm oscillations in quantum-ring magnetoexcitons
- Nondissipative Drag Conductance as a Topological Quantum Number
- Luminescence from highly excited nanorings: Luttinger liquid description
- Many-body luminescence from highly excited quantum-confined structures