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Spectral and Transport Properties of d-Wave Superconductors With Strong Impurities
Alexander Altland
One of the remarkable features of disordered d-wave superconductors is strong sensitivity of long range properties to the microscopic realization of the disorder potential. Particu…
Magnetotunneling spectroscopy of mesoscopic correlations in two-dimensional electron systems
Julia S. Meyer, Alexander Altland, Martin Janssen
An approach to experimentally exploring electronic correlation functions in mesoscopic regimes is proposed. The idea is to monitor the mesoscopic fluctuations of a tunneling curren…
Quantum transport in parallel magnetic fields: A realization of the Berry-Robnik symmetry phenomenon
Julia S. Meyer, Alexander Altland, B. L. Altshuler
We analyze the magnetoconductance of two-dimensional electron and hole gases (2DEGs) subject to a parallel magnetic field. It is shown that, for confining potential wells which are…
Spectral and Transport Properties of Quantum Wires with Bond Disorder
Alexander Altland, Rainer Merkt
Systems with bond disorder are defined through lattice Hamiltonians that are of pure nearest neighbour hopping type, i.e. do not contain on-site contributions. Previous analyses ba…