Fundamental Limit for Cooling in Driven Quantum Systems
February 16th, 2017 NAHUEL FREITAS University of Buenos Aires

I will analyze the asymptotic behavior of a class of quantum refrigerators consisting of a parametrically driven quantum network which is coupled with an arbitrary number of thermal reservoirs. I will show that this type of refrigerator can never cool a cold reservoir beyond certain minimal (non universal) temperature. The process that enforces this fundamental limit for cooling is very general: the non resonant creation of excitations pairs in the reservoirs. This process is closely related with the dynamical Casimir effect and seems to be the one responsible for the validity of the dynamical version of the third law of thermodynamics (Nernst unattainability principle).

Seminar, February 16, 2017, 12:00. Seminar Room

Hosted by Prof. Antonio Acín