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Dissipation-induced collective advantage of a quantum thermal machine
Matteo Carrega, Luca Razzoli, Paolo Andrea Erdman +3
Do quantum correlations lead to better performance with respect to several different systems working independently? For quantum thermal machines, the question is whether a working…
Nonlocal thermoelectric detection of interaction and correlations in edge states
Alessandro Braggio, Matteo Carrega, Björn Sothmann +1
We investigate nonequilibrium effects in the transport of interacting electrons in quantum conductors, proposing the nonlocal thermoelectric response as a direct indicator of the p…
Analytically Solvable Model for Qubit-Mediated Energy Transfer between Quantum Batteries
Alba Crescente, Dario Ferraro, Matteo Carrega +1
The coherent energy transfer between two identical two-level systems is investigated. Here, the first quantum system plays the role of a charger, while the second can be seen as a…
The quartic Blochnium: an anharmonic quasicharge superconducting qubit
Luca Chirolli, Matteo Carrega, Francesco Giazotto
The quasicharge superconducting qubit realizes the dual of the transmon and shows strong robustness to flux and charge fluctuations thanks to a very large inductance closed on a Jo…
Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions
Andrea Iorio, Alessandro Crippa, Bianca Turini +8
We investigate a ballistic InSb nanoflag-based Josephson junction with Nb superconducting contacts. The high transparency of the superconductor-semiconductor interfaces enables the…
Efficiency and thermodynamic uncertainty relations of a dynamical quantum heat engine
Luca Razzoli, Fabio Cavaliere, Matteo Carrega +2
In the quest for high-performance quantum thermal machines, looking for an optimal thermodynamic efficiency is only part of the issue. Indeed, at the level of quantum devices, fluc…