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From Wikipedia, the free encyclopedia
The Thouless energy is a characteristic energy scale of diffusive disordered conductors. It was first introduced by the Scottish-American physicist David J. Thouless when studying Anderson localization,[1] as a measure of the sensitivity of energy levels to a change in the boundary conditions of the system. Though being a classical quantity, it has been shown to play an important role in the quantum-mechanical treatment of disordered systems.[2]
This article provides insufficient context for those unfamiliar with the subject. (October 2009) |
It is defined by
where D is the diffusion constant and L the size of the system, and thereby inversely proportional to the diffusion time
through the system.
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