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Noisy Quantum Metrology Enhanced by Continuous Nondemolition Measurement
We show that continuous quantum nondemolition (QND) measurement of an atomic ensemble is able to improve the precision of frequency …
Matteo A. C. Rossi, Francesco Albarelli, Dario Tamascelli, Marco G. Genoni
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Noisy Quantum Metrology Enhanced by Continuous Nondemolition Measurement
Pairwise tomography networks for many-body quantum systems
Guillermo García-Pérez, Matteo A. C. Rossi, Boris Sokolov, Elsi-Mari Borrelli, Sabrina Maniscalco
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Decoherence without entanglement and quantum Darwinism
It is commonly believed that decoherence arises as a result of the entangling interaction between a quantum system and its environment, …
Guillermo García-Pérez, Dario A. Chisholm, Matteo A. C. Rossi, G. Massimo Palma, Sabrina Maniscalco
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Decoherence without entanglement and quantum Darwinism
Quantum frequency estimation with conditional states of continuously monitored independent dephasing channels
We discuss the problem of estimating a frequency via [Formula: see text]-qubit probes undergoing independent dephasing channels that …
Francesco Albarelli, Matteo A. C. Rossi, Marco G. Genoni
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Efficient quantum transport in a multi-site system combining classical noise and quantum baths
We study the population dynamics and quantum transport efficiency of a multi-site dissipative system driven by a random telegraph noise …
Arzu Kurt, Matteo A. C. Rossi, Jyrki Piilo
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IBM Q Experience as a versatile experimental testbed for simulating open quantum systems
The advent of Noisy Intermediate-Scale Quantum (NISQ) technology is changing rapidly the landscape and modality of research in quantum …
Guillermo García-Pérez, Matteo A. C. Rossi, Sabrina Maniscalco
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IBM Q Experience as a versatile experimental testbed for simulating open quantum systems
Continuous-time quantum walks on dynamical percolation graphs
Claudia Benedetti, Matteo A. C. Rossi, Matteo G. A. Paris
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Continuous-time quantum walks on dynamical percolation graphs
Non-Markovianity is not a resource for quantum spatial search on a star graph subject to generalized percolation
Continuous-time quantum walks may be exploited to enhance spatial search, i.e., for finding a marked element in a database structured …
Matteo A. C. Rossi, Marco Cattaneo, Matteo G. A. Paris, Sabrina Maniscalco
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Quantum spatial search on graphs subject to dynamical noise
We address quantum spatial search on graphs and its implementation by continuous-time quantum walks in the presence of dynamical noise. …
Marco Cattaneo, Matteo A. C. Rossi, Matteo G. A. Paris, Sabrina Maniscalco
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Restoring Heisenberg scaling in noisy quantum metrology by monitoring the environment
We study quantum frequency estimation for $N$ qubits subjected to independent Markovian noise, via strategies based on time-continuous …
Francesco Albarelli, Matteo A C Rossi, Dario Tamascelli, Marco G Genoni
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Restoring Heisenberg scaling in noisy quantum metrology by monitoring the environment