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Charge-Relaxation and Dwell Time in the fluctuating Admittance of a Chaotic Cavity
P. W. Brouwer, M. Buttiker
We consider the admittance of a chaotic quantum dot, capacitively coupled to a gate and connected to two electron reservoirs by multichannel ballistic point contacts. For a dot in…
Voltage-probe and imaginary potential models for dephasing in a chaotic quantum dot
P. W. Brouwer, C. W. J. Beenakker
We compare two widely used models for dephasing in a chaotic quantum dot: The introduction of a fictitious voltage probe into the scattering matrix and the addition of an imaginary…
Brightness of a phase-conjugating mirror behind a random medium
J. C. J. Paasschens, P. W. Brouwer, C. W. J. Beenakker
A random-matrix theory is presented for the reflection of light by a disordered medium backed by a phase-conjugating mirror. Two regimes are distinguished, depending on the relativ…
Superconductor-proximity effect in chaotic and integrable billiards
J. A. Melsen, P. W. Brouwer, K. M. Frahm +1
We explore the effects of the proximity to a superconductor on the level density of a billiard for the two extreme cases that the classical motion in the billiard is chaotic or int…
Diagrammatic method of integration over the unitary group, with applications to quantum transport in mesoscopic systems
P. W. Brouwer, C. W. J. Beenakker
A diagrammatic method is presented for averaging over the circular ensemble of random-matrix theory. The method is applied to phase-coherent conduction through a chaotic cavity (a…
Probability of Reflection by a Random Laser
C. W. J. Beenakker, J. C. J. Paasschens, P. W. Brouwer
A theory is presented (and supported by numerical simulations) for phase-coherent reflection of light by a disordered medium which either absorbs or amplifies radiation. The distri…