Work and gain of heat-pumped quantized masers [PDF]
David Gelbwaser-Klimovsky, Robert Alicki, Gershon KurizkiWe investigate heat-pumped lasers or masers based on non-inverted two-level systems in high-Q cavities. Their efficiency bound is shown to crucially depend on the capacity of their quantum state to accumulate useful work. By contrast, the energy gain is shown to be insensitive to the quantum state.View original: http://arxiv.org/abs/1306.1472
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