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The Electron Glass by A. Frydman, M. Ortuño, M. Pollak

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7

Glassy behavior

This chapter focuses on the nonergodic nature of the electron glass. This is the most difficult part of the electron glass (or any other glass) to understand since well-established statistical mechanics explicitly restricts itself to ergodic systems as discussed in Chapter 3.

Many glasses can be viewed as particular nonergodic systems, whose transition rates are exponential functions of a random variable x,

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such that x extends to values much larger than 1. τ0 is characteristically a very short time (e.g., the time of a phonon period), about 10−12 s, but γ−1 can extend over extremely long times, much longer than any feasible ...

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