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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…
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…
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…
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…
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.…
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…
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…
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…