A proposed photonic heat amplifier uses variable-range-hopping semiconductor reservoirs to achieve negative differential thermal conductance, yielding predicted heat-current amplification up to 15x and temperature gain up to 3.3x at millikelvin temperatures.
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Photonic heat amplifiers based on a disordered semiconductor
A proposed photonic heat amplifier uses variable-range-hopping semiconductor reservoirs to achieve negative differential thermal conductance, yielding predicted heat-current amplification up to 15x and temperature gain up to 3.3x at millikelvin temperatures.