Hopping in a gaussian distribution of energy states: Transition from dispersive to non-dispersive transport

L. Pautmeier, R. Richert, H. Bässler

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By means of Monte Carlo simulation techniques the relaxation of a packet of charge carriers migrating in a Gaussian density of states of width a has been studied. The relaxation time determines the transition from dispersive to non-dispersive transport seen in a time-of-flight signal. For a 10 µm thick sample under a bias field of 105V cm-1the critical disorder parameter σ/kT turns out to be 4.4. Consistency with experimental results from polymers is found.

Original languageEnglish (US)
Pages (from-to)325-331
Number of pages7
JournalPhilosophical Magazine Letters
Issue number6
StatePublished - Jun 1989


ASJC Scopus subject areas

  • Condensed Matter Physics

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