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- University of OxfordGB52 papers
- Centre National de la Recherche ScientifiqueFR50 papers
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7 papers · 2 filters
Achieving fast and robust perfect entangling gates via reinforcement learning
Leander Grech, Matthias G. Krauss, Mirko Consiglio +4
Noisy intermediate-scale quantum computers hold the promise of tackling complex and otherwise intractable computational challenges through the massive parallelism offered by qubits…
Memory effects in repeated uses of quantum channels
Hayden Zammit, Roberto Salazar, Gianluca Valentino +2
Quantum Information Processing (QIP) tasks can be efficiently formulated in terms of quantum dynamical maps, whose formalism is able to provide the appropriate mathematical represe…
Quantum detectors as autonomous machines: assessing the nonequilibrium thermodynamics of information acquisition
Emanuel Schwarzhans, Tony J. G. Apollaro, Ilia Khomchenko +3
We formulate a minimal model of a quantum particle detector as an autonomous quantum thermal machine. Our goal is to establish how entropy production, which is needed to maintain t…
Fast and efficient long-distance quantum state transfer in long-range spin- models
F. Faria, C. C. Nelmes, T. J. G. Apollaro +2
Quantum state transfer is investigated beyond the nearest-neighbour coupling scheme in long spin- linear chains. Exploiting the properties of the next-nearest neighbou…
Benchmarking weak randomness in Quantum and Natural Sources
Maciej Stankiewicz, Roberto Salazar, Mikołaj Czechlewski +7
Private randomness is a fundamental resource for cryptography, security proofs, and information processing. Quantum devices offer a unique advantage by amplifying weak randomness s…
Long-distance genuine multipartite Entanglement between Magnetic Defects in Spin Chains
Mirko Consiglio, Jovan Odavić, Riccarda Bonsignori +5
We investigate the emergence and properties of long-distance genuine multipartite entanglement, induced via three localized magnetic defects, in a one-dimensional transverse-field…