Density Of States And Critical Behavior Of The Coulomb Glass
PHYSICAL REVIEW LETTERS(2009)
摘要
We present zero-temperature simulations for the single-particle density of states of the Coulomb glass. Our results in three dimensions are consistent with the Efros and Shklovskii prediction for the density of states. Finite-temperature Monte Carlo simulations show no sign of a thermodynamic glass transition down to low temperatures, in disagreement with mean-field theory. Furthermore, the random-displacement formulation of the model undergoes a transition into a distorted Wigner crystal for a surprisingly broad range of the disorder strength.
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关键词
spin glass,thermodynamics,glass transition,monte carlo simulation,mean field theory,lattice theory,numerical simulation,density of state,phase transition,three dimensions
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