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Universality and quantization of the power-to-heat ratio in nanogranular systems
2013
Physical Review B
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We study heating and dissipation effects in granular nanosystems in the regime of weak coupling between the grains. We focus on the cotunneling regime and solve the heat-dissipation problem in an array of grains exactly. We show that the power to heat ratio has a universal quantized value, which is geometrically protected: it depends only on the number of grains.
doi:10.1103/physrevb.88.125130
fatcat:6qeafzcd5jbsjm3xv2ed3ikbmq