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Nonresonant two-level transitions: Lessons from quantum thermodynamics
Andreas Wacker
Based on concepts from quantum thermodynamics the two-level system coupled to a single electromagnetic mode is analyzed. Focusing on the case of detuning, where the mode frequency…
A thermodynamically consistent Markovian master equation beyond the secular approximation
Patrick P. Potts, Alex Arash Sand Kalaee, Andreas Wacker
Markovian master equations provide a versatile tool for describing open quantum systems when memory effects of the environment may be neglected. As these equations are of an approx…
Violating the Thermodynamic Uncertainty Relation in the Three-Level Maser
Alex Arash Sand Kalaee, Andreas Wacker, Patrick P. Potts
Nanoscale heat engines are subject to large fluctuations which affect their precision. The Thermodynamic Uncertainty Relation (TUR) provides a trade-off between output power, fluct…
Positivity of entropy production for the three-level maser
Alex Arash Sand Kalaee, Andreas Wacker
Entropy production is a key concept of thermodynamics and allows one to analyze the operation of engines. For the Scovil-Schulz-DuBois heat engine, the archetypal three-level therm…
Supremacy of the quantum many-body Szilard engine with attractive bosons
Jakob Bengtsson, Mikael Nilsson Tengstrand, Andreas Wacker +4
In a classic thought experiment, Szilard suggested a heat engine where a single particle, for example an atom or a molecule, is confined in a container coupled to a single heat bat…