Showing 2000 · cond-mat.mes-hallShow all

11 papers · 2 filters

cond-mat.mes-hall2000★ 128 cited

Rectification of displacement currents in an adiabatic electron pump

P. W. Brouwer

Rectification of ac displacement currents generated by periodic variation of two independent gate voltages of a quantum dot can lead to a dc voltage linear in the frequency. The pr…

cond-mat.mes-hall2000★ 14 cited

Strong Coupling Fixed Points of Current Interactions and Disordered Fermions in 2D

Andre' LeClair

The all-orders beta function is used to study disordered Dirac fermions in 2D. The generic strong coupling fixed `points' of anisotropic current-current interactions at large dista…

cond-mat.mes-hall2000★ 26 cited

Current induced switching of magnetic domains to a perpendicular configuration

Xavier Waintal, Piet W. Brouwer

In a ferromagnet--normal-metal--ferromagnet trilayer, a current flowing perpendicularly to the layers creates a torque on the magnetic moments of the ferromagnets. When one of the…

cond-mat.mes-hall2000★ 182 cited

Fano resonances as a probe of phase coherence in quantum dots

A. A. Clerk, X. Waintal, P. W. Brouwer

In the presence of direct trajectories connecting source and drain contacts, the conductance of a quantum dot may exhibit resonances of the Fano type. Since Fano resonances result…

cond-mat.mes-hall2000★ 134 cited

Charge Pumping and Photovoltaic effect in Open Quantum Dots

Maxim G. Vavilov, V. Ambegaokar, Igor L. Aleiner

We propose a random matrix theory to describe the influence of a time-dependent external field on electron transport through open quantum dots. We describe the generation of the cu…

cond-mat.mes-hall2000★ 91 cited

Universal gap fluctuations in the superconductor proximity effect

M. G. Vavilov, P. W. Brouwer, V. Ambegaokar +1

Random-matrix theory is used to study the mesoscopic fluctuations of the excitation gap in a metal grain or quantum dot induced by the proximity to a superconductor. We propose tha…

cond-mat.mes-hall2000★ 283 cited

The Role of Spin-Dependent Interface Scattering in Generating Current-Induced Torques in Magnetic Multilayers

Xavier Waintal, Edward B. Myers, Piet W. Brouwer +1

We present a calculation of current-induced torques in metallic magnetic multilayers derived from the spin-dependent transmission and reflection properties of the magnetic layers.…

cond-mat.mes-hall2000★ 19 cited

Andreev Conductance of Chaotic and Integrable Quantum Dots

A. A. Clerk, P. W. Brouwer, V. Ambegaokar

We examine the voltage V and magnetic field B dependent Andreev conductance of a chaotic quantum dot coupled via point contacts to a normal metal and a superconductor. In the case…

cond-mat.mes-hall2000★ 26 cited

Quasi-Spin-Charge Separation and the Spin Quantum Hall Effect

D. Bernard, A. LeClair

We use quantum field theory methods to study the network model for the spin quantum hall transition. When the couplings are fine tuned in a certain way, the spin and charge degrees…

cond-mat.mes-hall2000★ 54 cited

Fluctuating spin g-tensor in small metal grains

P. W. Brouwer, X. Waintal, B. I. Halperin

In the presence of spin-orbit scattering, the splitting of an energy level in a generic small metal grain due to the Zeeman coupling to a magnetic field B depends on the direction…

cond-mat.mes-hall2000★ 100 cited

Localization and delocalization in dirty superconducting wires

P. W. Brouwer, A. Furusaki, I. A. Gruzberg +1

We present Fokker-Planck equations that describe transport of heat and spin in dirty unconventional superconducting quantum wires. Four symmetry classes are distinguished, dependin…