Coulomb drag in mesoscopic rings

Typeset using REVTEX 1

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 nondissip...

Coulomb Drag in Mesoscopic Rings Typeset Using Revt E X

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. We also show that inter...

Coulomb drag in coherent mesoscopic systems.

We present a theory for Coulomb drag between two mesoscopic systems. Our formalism expresses the drag in terms of scattering matrices and wave functions, and its range of validity covers both ballistic and disordered systems. The consequences can be worked out either by analytic means, such as the random matrix theory, or by numerical simulations. We show that Coulomb drag is sensitive to local...

Mesoscopic fluctuations of Coulomb drag between quasiballistic one-dimensional wires

Coulomb drag between one-dimensional Wigner crystal rings

We consider the Coulomb drag between two metal rings in which the longrange Coulomb interaction leads to the formation of a Wigner crystal. The first ring is threaded by an Aharanov–Bohm flux, creating a persistent current J0. The second ring is brought into close proximity to the first and due to the Coulomb interaction between the two rings a drag current JD is produced in the second. We inve...