Abstract
We analyze the contributions of electron heating to the generation of time-independent conductance fluctuations as a function of voltage in mesoscopic wires. We discuss both harmonic generation and direct measurements of differential conductance versus voltage. Electron heating may easily dominate the properties of the fluctuations. We propose that observations of conductance fluctuations with a small correlation voltage may be a consequence of heating, rather than being related to a small intrinsic energy scale such as the energy-eigenvalue spacing.
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