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El Niño and the delayed action oscillator
We study the dynamics of El Nino using the model of a delayed-action oscillator. Topics such as the influence of the annual cycle, global warming, stochastic influences due to weather conditions and
Weak disorder expansion for localization lengths of quasi-1D systems
A perturbative formula for the lowest Lyapunov exponent of an Anderson model on a strip is presented. It is expressed in terms of an energy-dependent doubly stochastic matrix, the size of which is
Aharonov-Bohm effect for an exciton
We study theoretically the exciton absorption on a ring shreded by a magnetic flux. For the case when the attraction between electron and hole is short-ranged we get an exact solution of the problem.
Multifractal finite-size scaling and universality at the Anderson transition
We describe a new multifractal finite-size scaling (MFSS) procedure and its application to the Anderson localization-delocalization transition. MFSS permits the simultaneous estimation of the
Multifractal analysis of the metal-insulator transition in the three-dimensional Anderson model. I. Symmetry relation under typical averaging
The multifractality of the critical eigenstate at the metal to insulator transition (MIT) in the three-dimensional Anderson model of localization is characterized by its associated singularity
Magnetotransport in periodic and quasiperiodic arrays of mesoscopic rings
We study theoretically the transmission properties of serially connected mesoscopic rings threaded by a magnetic flux. Within a tight-binding formalism we derive exact analytical results for the
Numerical investigations of scaling at the Anderson transition
At low temperature T, a significant difference between the behavior of crystals on the one hand and disordered solids on the other is seen: sufficiently strong disorder can give rise to a transition
Rigidity analysis of HIV-1 protease
This study shows that the action of the inhibitors is to restrict the flexibility of the β-hairpin flaps which allow access to the active site of HIV-1 protease.