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- Centre National de la Recherche ScientifiqueFR299 papers
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10 papers · 2 filters
Speed-ups to isothermality: Enhanced quantum thermal machines through control of the system-bath coupling
Nicola Pancotti, Matteo Scandi, Mark T. Mitchison +1
Isothermal transformations are minimally dissipative but slow processes, as the system needs to remain close to thermal equilibrium along the protocol. Here, we show that smoothly…
Logarithmic growth of local entropy and total correlations in many-body localized dynamics
Fabio Anza, Francesca Pietracaprina, John Goold
The characterizing feature of a many-body localized phase is the existence of an extensive set of quasi-local conserved quantities with an exponentially localized support. This str…
Energetic cost of quantum control protocols
Obinna Abah, Ricardo Puebla, Anthony Kiely +3
We quantitatively assess the energetic cost of several well-known control protocols that achieve a finite time adiabatic dynamics, namely counterdiabatic and local counterdiabatic…
Stable adiabatic quantum batteries
Alan C. Santos, Barış Çakmak, Steve Campbell +1
With the advent of quantum technologies comes the requirement of building quantum components able to store energy to be used whenever necessary, i.e. quantum batteries. In this pap…
Thermodynamic uncertainty relations from exchange fluctuation theorems
André M. Timpanaro, Giacomo Guarnieri, John Goold +1
Thermodynamic uncertainty relations (TURs) place strict bounds on the fluctuations of thermodynamic quantities in terms of the associated entropy production. In this work we identi…
Spin-Phonon Relaxation in Molecular Qubits from First Principles Spin Dynamics
Alessandro Lunghi, Stefano Sanvito
The coupling between electronic spins and lattice vibrations is fundamental for driving relaxation in magnetic materials. The debate over the nature of spin-phonon coupling dates b…