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Motivated by proposed thermometry measurement on an open quantum system, we present a simple model of an externally driven qubit interacting with a finite-sized fermion environment acting as a calorimeter. The derived dynamics is governed by a stochastic Schrödinger equation coupled to the temperature change of the calorimeter. We prove a fluctuation relation and deduce from it a notion of entropy production. Finally, we discuss the first and second law associated with the dynamics.
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- 1 Finished
Golubev, D., Ronzani, A., Volovik, G., Westström, A., Tuoriniemi, J., Najafi Jabdaraghi, R. (., Pekola, J., Pöyhönen, K., Singh, S., Feshchenko, A., Kauppila, V., Senior, J., Viisanen, K., Wang, L., Khan, R., Padurariu, C. & Lähteenmäki, P.
01/01/2015 → 31/12/2017
Project: Academy of Finland: Other research funding