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Sharp Transition for Single Polarons in the One-Dimensional Su-Schrieffer-Heeger Model
Model of polaron ground-state energy smooth transition coupling electron phonon coupling phonon coupling dynamics
2014/12/18
We study a single polaron in the Su-Schrieffer-Heeger (SSH) model using four different techniques (three numerical and one analytical). Polarons show a smooth crossover from weak to strong coupling, a...
Stationary and dynamical properties of bistable Langevin model under noise-intensity fluctuation
Superstatistics Stochastic volatility Stationary distribution
2010/11/19
In this paper, we study effects of noise-intensity fluctuations on stationary and dynamical prop-erties of a bistable Langevin model, based on concepts of stochastic volatility model and super-statist...