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18 papers · 2 filters
Two-qubit quantum probes for the temperature of an Ohmic environment
Francesca Gebbia, Claudia Benedetti, Fabio Benatti +3
We address a particular instance where open quantum systems may be used as quantum probes for an emergent property of a complex system, as the temperature of a thermal bath. The in…
Continuous Variable Quantum Perceptron
Fabio Benatti, Stefano Mancini, Stefano Mangini
We present a model of Continuous Variable Quantum Perceptron (CVQP) whose architecture implements a classical perceptron. The necessary non-linearity is obtained via measuring the…
A perturbative algorithm for rotational decoherence
Matteo Carlesso, Hamid Reza Naeij, Angelo Bassi
Recent advances in levitated optomechanics provide new perspectives for the use of rotational degrees of freedom for the development of quantum technologies as well as for testing…
Quasi inversion of qubit channels
Vahid Karimipour, Fabio Benatti, Roberto Floreanini
Quantum operations, or quantum channels cannot be inverted in general. An arbitrary state passing through a quantum channel looses its fidelity with the input. Given a quantum chan…
Minimum measurement time: lower bound on the frequency cutoff for collapse models
Stephen L. Adler, Angelo Bassi, Luca Ferialdi
The CSL model predicts a progressive breakdown of the quantum superposition principle, with a noise randomly driving the state of the system towards a localized one, thus accountin…
Collapse models: main properties and the state of art of the experimental tests
Matteo Carlesso, Sandro Donadi
Collapse models represent one of the possible solutions to the measurement problem. These models modify the Schrödinger dynamics with non-linear and stochastic terms, which guarant…