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Heating in integrable time-periodic systems
Takashi Ishii, Tomotaka Kuwahara, Takashi Mori +1
We investigate a heating phenomenon in periodically driven integrable systems that can be mapped to free-fermion models. We find that heating to the high-temperature state, which i…
Quantum Jarzynski equality of measurement-based work extraction
Yohei Morikuni, Hiroyasu Tajima, Naomichi Hatano
Many studies of quantum-size heat engines assume that the dynamics of an internal system is unitary and that the extracted work is equal to the energy loss of the internal system.…
Thermodynamics of the mesoscopic thermoelectric heat engine beyond the linear-response regime
Kaoru Yamamoto, Naomichi Hatano
Mesoscopic thermoelectric heat engine is much anticipated as a device that allows us to utilize with high efficiency wasted heat inaccessible by conventional heat engines. However,…
A test of "fluctuation theorem" in non-Markovian open quantum systems
Tatsuro Kawamoto, Naomichi Hatano
We study fluctuation theorems for open quantum systems with a non-Markovian heat bath using the approach of quantum master equations and examine the physical quantities that appear…
Nontrivial eigenvalues of the Liouvillian of an open quantum system
Ruri Nakano, Naomichi Hatano, Tomio Petrosky
We present methods of finding complex eigenvalues of the Liouvillian of an open quantum system. The goal is to find eigenvalues that cannot be predicted from the eigenvalues of the…
The exchange fluctuation theorem in quantum mechanics
Shiho Akagawa, Naomichi Hatano
We study the heat transfer between two finite quantum systems initially at different temperatures. We find that a recently proposed fluctuation theorem for heat exchange, namely th…