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Abstract
We theoretically study energy pumping processes in an electrical circuit with avalanche
diodes, where non-Gaussian athermal noise plays a crucial role. We show that a positive
amount of energy (work) can be extracted by an external manipulation of the circuit
in a cyclic way, even when the system is spatially symmetric. We discuss the properties
of the energy pumping process for both quasi-static and fnite-time cases, and analytically
obtain formulas for the amounts of the work and the power. Our results demonstrate
the significance of the non-Gaussianity in energetics of electrical circuits.