Quantum engines and refrigerators
Engines are systems and devices that convert one form of energy into another, typically into
a more useful form that can perform work. In the classical setup, physical, chemical, and …
a more useful form that can perform work. In the classical setup, physical, chemical, and …
Quantum advantage in charging cavity and spin batteries by repeated interactions
Recently, an unconditional advantage has been demonstrated for the process of charging of
a quantum battery in a collisional model [Seah et al., Phys. Rev. Lett. 127, 100601 (2021) …
a quantum battery in a collisional model [Seah et al., Phys. Rev. Lett. 127, 100601 (2021) …
Quantum energetics of a noncommuting measurement
When a measurement observable does not commute with a quantum system's Hamiltonian,
the energy of the measured system is typically not conserved during the measurement …
the energy of the measured system is typically not conserved during the measurement …
Limits on quantum measurement engines
A quantum measurement involves energy exchanges between the system to be measured
and the measuring apparatus. Some of them involve energy losses, for example because …
and the measuring apparatus. Some of them involve energy losses, for example because …
Transport and nonreciprocity in monitored quantum devices: an exact study
We study noninteracting fermionic systems undergoing continuous monitoring and driven by
biased reservoirs. Averaging over the measurement outcomes, we derive exact formulas for …
biased reservoirs. Averaging over the measurement outcomes, we derive exact formulas for …
Transfer learning from Hermitian to non-Hermitian quantum many-body physics
Identifying phase boundaries of interacting systems is one of the key steps to understanding
quantum many-body models. The development of various numerical and analytical methods …
quantum many-body models. The development of various numerical and analytical methods …
A thermodynamically consistent approach to the energy costs of quantum measurements
Considering a general microscopic model for a quantum measuring apparatus comprising a
quantum probe coupled to a thermal bath, we analyze the energetic resources necessary for …
quantum probe coupled to a thermal bath, we analyze the energetic resources necessary for …
Constraining work fluctuations of non-Hermitian dynamics across the exceptional point of a superconducting qubit
Thermodynamics constrains changes to the energy of a system, both deliberate and
random, via its first and second laws. When the system is not in equilibrium, fluctuation …
random, via its first and second laws. When the system is not in equilibrium, fluctuation …
Exact description of transport and non-reciprocity in monitored quantum devices
We study non-interacting fermionic systems undergoing continuous monitoring and driven
by biased reservoirs. Averaging over the measurement outcomes, we derive exact formulas …
by biased reservoirs. Averaging over the measurement outcomes, we derive exact formulas …
Inferring general links between energetics and information with unknown environment
Identifying general links between energetics and information in realistic open quantum
systems is a long-standing problem in quantum thermodynamics and quantum information …
systems is a long-standing problem in quantum thermodynamics and quantum information …