Negative Electric Current in Semiconductors
V. I. Yukalov, E. P. Yukalova
TL;DR
This paper investigates the phenomenon where, under certain conditions, the electric current in nonuniform semiconductors can temporarily flow opposite to the applied voltage, revealing complex fluctuation behaviors.
Contribution
It introduces the concept of negative electric current fluctuations in semiconductors and analyzes conditions under which current can oppose the applied voltage.
Findings
Negative current fluctuations occur in strongly nonuniform samples.
Current can temporarily flow against the applied voltage.
The study identifies specific conditions leading to this phenomenon.
Abstract
Electric current in semiconductors is considered as a function of time. Nonequilibrium fluctuations of the current are studied for strongly nonuniform samples. It is demonstrated that at special conditions the total electric current through a device can exhibit a negative fluctuation, when the current is directed against the applied voltage.
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