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Diagnostics of quantum-gate coherences deteriorated by unitary errors via end-point-measurement statistics

Quantum Science and Technology 8, 045018 (2023) Ilaria Gianani, Alessio Belenchia, Stefano Gherardini, Vincenzo Berardi, Marco Barbieri, and Mauro Paternostro Quantum coherence is a central ingredient in quantum physics with several theoretical and technological ramifications. In this work we consider a figure of merit encoding the information on how the coherence generated on average by…

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Experimental signature of initial quantum coherence on entropy production

npj Quantum Information 9, 86 (2023) S. Hernández-Gómez, S. Gherardini, A. Belenchia, A. Trombettoni, M. Paternostro and N. Fabbri We report the experimental quantication of the contribution to non-equilibrium entropy production that stems from the quantum coherence content in the initial state of a qubit exposed to both coherent driving and dissipation. Our…

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13/9/2023 – 15/9/2023 – Fundamental Problems in Quantum Physics 2023

University of Trieste, IT 13/9/2023 - 15/7/2023 Third school on quantum foundations dedicated to Prof. GianCarlo Ghirardi. Quantum Mechanic is extremely successful in predicting experimental results and has a vast range of applications. Nonetheless, many unanswered questions remain. The school will introduce Master and PhD students to the still outstanding problems in our understanding of…

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Contacts

Project manager
Irene Spagnul
ispagnul@units.it
Department of Physics
University of Trieste

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Co-funded by the European Commission’s
Horizon Europe Programme under GA 101046973

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