266 citations · 511 across the 8 of their papers we have counts for
5 papers · 1 filter
Circuit model for spin-bottleneck resistance in magnetic-tunnel-junction devices
T. Jungwirth, A. H. MacDonald
Spin-bottlenecks are created in magnetic-tunnel-junction devices by spatial inhomogeneity in the relative resistances for up and down spins. We propose a simple electrical circuit…
Plasmon Modes and Correlation Functions in Quantum Wires and Hall Bars
U. Zuelicke, A. H. MacDonald
We present microscopic derivations of the one-dimensional low-energy boson effective Hamiltonians of quantum wire and quantum Hall bar systems. The quantum Hall system is distingui…
Electron-electron interactions and two-dimensional - two-dimensional tunneling
T. Jungwirth, A. H. MacDonald
We derive and evaluate expressions for the dc tunneling conductance between interacting two-dimensional electron systems at non-zero temperature. The possibility of using the depen…
Compressible Strips, Chiral Luttinger Liquids and All That Jazz
A. H. MacDonald
When the quantum Hall effect occurs in a two-dimensional electron gas, all low-energy elementary excitations are localized near the system edge. The edge acts in many ways like a o…
Drag in paired electron-hole layers
Giovanni Vignale, A. H. MacDonald
We investigate transresistance effects in electron-hole double layer systems with an excitonic condensate. Our theory is based on the use of a minimum dissipation premise to fix th…