Quantum Physics (quant-ph)

Daemonic ergotropy in continuously-monitored open quantum batteries
The amount of work that can be extracted from a quantum system can be increased by exploiting the information obtained from a …
Daniele Morrone, Matteo A. C. Rossi, Marco G. Genoni
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Daemonic ergotropy in continuously-monitored open quantum batteries
Quantum transport efficiency in noisy random-removal and small-world networks
We report the results of an in-depth study of the role of graph topology on quantum transport efficiency in random removal and …
Arzu Kurt, Matteo A. C. Rossi, Jyrki Piilo
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Quantum transport efficiency in noisy random-removal and small-world networks
Quantum simulation of dissipative collective effects on noisy quantum computers
Dissipative collective effects are ubiquitous in quantum physics and their relevance ranges from the study of entanglement in …
Marco Cattaneo, Matteo A. C. Rossi, Guillermo García-Pérez, Roberta Zambrini, Sabrina Maniscalco
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Quantum simulation of dissipative collective effects on noisy quantum computers
Charging a quantum battery in a non-Markovian environment: a collisional model approach
We study the effect of non-Markovianity in the charging process of an open-system quantum battery. We employ a collisional model …
Daniele Morrone, Matteo A. C. Rossi, Andrea Smirne, Marco G. Genoni
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Charging a quantum battery in a non-Markovian environment: a collisional model approach
Matrix product channel: Variationally optimized quantum tensor network to mitigate noise and reduce errors for the variational quantum eigensolver
Quantum processing units boost entanglement at the level of hardware and enable physical simulations of highly correlated electron …
Sergey Filippov, Boris Sokolov, Matteo A. C. Rossi, Joonas Malmi, Elsi-Mari Borrelli, Daniel Cavalcanti, Sabrina Maniscalco, Guillermo García-Pérez
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Matrix product channel: Variationally optimized quantum tensor network to mitigate noise and reduce errors for the variational quantum eigensolver
Mitigating the measurement overhead of ADAPT-VQE with optimised informationally complete generalised measurements
ADAPT-VQE stands out as a robust algorithm for constructing compact ansätze for molecular simulation. It enables to significantly …
Anton Nykänen, Matteo A. C. Rossi, Elsi-Mari Borrelli, Sabrina Maniscalco, Guillermo García-Pérez
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Mitigating the measurement overhead of ADAPT-VQE with optimised informationally complete generalised measurements
Semidefinite programming for self-consistent quantum measurement tomography
We propose an estimation method for quantum measurement tomography (QMT) based on a semidefinite program (SDP), and discuss how it may …
Marco Cattaneo, Elsi-Mari Borrelli, Guillermo García-Pérez, Matteo A. C. Rossi, Zoltán Zimborás, Daniel Cavalcanti
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Semidefinite programming for self-consistent quantum measurement tomography
Adaptive POVM implementations and measurement error mitigation strategies for near-term quantum devices
We present adaptive measurement techniques tailored for variational quantum algorithms on near-term small and noisy devices. In …
Adam Glos, Anton Nykänen, Elsi-Mari Borrelli, Sabrina Maniscalco, Matteo A. C. Rossi, Zoltán Zimborás, Guillermo García-Pérez
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Adaptive POVM implementations and measurement error mitigation strategies for near-term quantum devices