منابع مشابه
How glasses explore configuration space
We review a statistical picture of the glassy state derived from the analysis of the off-equilibrium fluctuation-dissipation relations. We define an ultralong-time limit where ‘one-time quantities’ are close to equilibrium while the response and correlation can still display ageing. In this limit it is possible to relate the fluctuation response relation to static breaking of ergodicity. The re...
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We show that 1/f noise is produced in a three-dimensional electron glass by charge fluctuations due to electron hopping between isolated sites and a percolating network at low-temperatures. The low-frequency noise spectrum goes as v with a slightly larger than 1. This result together with the temperature dependence of a and the noise amplitude are in good agreement with the recent experiments. ...
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We report measurements of the real and imaginary parts of the AC conductivity in the quantum limit, ω > kBT of insulating nominally uncompensated n-type silicon. The observed frequency dependence shows evidence for a crossover from interacting Coulomb glass-like behavior at lower energies to non-interacting Fermi glass-like behavior at higher energies across a broad doping range. The crossover ...
متن کاملKAM theory in configuration space
A new approach to the Kolmogorov-Arnold-Moser theory concermng the existence of invariant ton having prescnbed frequencies îs presented It îs based on the Lagrangian formahsm m configuration space instead of the Hamiltonian formahsm in phase space used in earher approaches In particular, the construction of the invariant ton avoids the composition of infinitely many coordinate transformations T...
متن کاملConfiguration Memory in Patchwork Dynamics for Low-dimensional Spin Glasses
A patchwork method is used to study the dynamics of loss and recovery of an initial configuration in spin glass models in dimensions d = 1 and d = 2. The patchwork heuristic is used to accelerate the dynamics to investigate how models might reproduce the remarkable memory effects seen in experiment. Starting from a ground state configuration computed for one choice of nearest neighbor spin coup...
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ژورنال
عنوان ژورنال: Philosophical Magazine B
سال: 2001
ISSN: 1364-2812,1463-6417
DOI: 10.1080/13642810108216532