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Quantum heat engine with long-range advantages
Andrea Solfanelli, Guido Giachetti, Michele Campisi +2
The employment of long-range interactions in quantum devices provides a promising route towards enhancing their performance in quantum technology applications. Here, the presence o…
Cooperative quantum information erasure
Lorenzo Buffoni, Michele Campisi
We demonstrate an information erasure protocol that resets qubits at once. The method displays exceptional performances in terms of energy cost (it operates nearly at Landauer…
The Ising critical quantum Otto engine
Giulia Piccitto, Michele Campisi, Davide Rossini
We study a four-stroke Otto engine whose working fluid is a quantum Ising chain. The thermodynamic cycle consists in sweeps of the transverse magnetic field occurring in thermal is…
Quantum thermodynamic methods to purify a qubit on a quantum processing unit
Andrea Solfanelli, Alessandro Santini, Michele Campisi
We report on a quantum thermodynamic method to purify a qubit on a quantum processing unit (QPU) equipped with (nearly) identical qubits. Our starting point is a three qubit design…