Výsledky vyhledávání - "Nicola Dalla Pozza"

Akademický článek

Hilbert curve vs Hilbert space: exploiting fractal 2D covering to increase tensor network efficiency

Autor: Giovanni Cataldi, Ashkan Abedi, Giuseppe Magnifico, Simone Notarnicola, Nicola Dalla Pozza, Vittorio Giovannetti, Simone Montangero

Publikováno v: Quantum, Vol 5, p 556 (2021)

We present a novel mapping for studying 2D many-body quantum systems by solving an effective, one-dimensional long-range model in place of the original two-dimensional short-range one. In particular, we address the problem of choosing an efficient ma

Externí odkaz: https://doaj.org/article/2e446e8e6b374e088f2b7e2585721509

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Akademický článek

Quantum state discrimination on reconfigurable noise-robust quantum networks

Autor: Nicola Dalla Pozza, Filippo Caruso

Publikováno v: Physical Review Research, Vol 2, Iss 4, p 043011 (2020)

A fundamental problem in quantum information processing is the discrimination among a set of quantum states of a system. In this paper, we address this problem on an open quantum system described by a graph, whose evolution is defined by a quantum st

Externí odkaz: https://doaj.org/article/e8f34723916045348409d66263db54eb

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Akademický článek

Experimental proof of quantum Zeno-assisted noise sensing

Autor: Hoang-Van Do, Cosimo Lovecchio, Ivana Mastroserio, Nicole Fabbri, Francesco S Cataliotti, Stefano Gherardini, Matthias M Müller, Nicola Dalla Pozza, Filippo Caruso

Publikováno v: New Journal of Physics, Vol 21, Iss 11, p 113056 (2019)

In the ideal quantum Zeno (QZ) effect, repeated quantum projective measurements can freeze the coherent dynamics of a quantum system. However, in the weak QZ regime, measurement back-actions can allow the sensing of semi-classical field fluctuations.

Externí odkaz: https://doaj.org/article/0edac4cc9650472f96e7b1e258b2d50d

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Akademický článek

Deterministic preparation of superpositions of vacuum plus one photon by adaptive homodyne detection: experimental considerations

Autor: Nicola Dalla Pozza, Howard M Wiseman, Elanor H Huntington

Publikováno v: New Journal of Physics, Vol 17, Iss 1, p 013047 (2015)

The preparation stage of optical qubits is an essential task in all the experimental setups employed for the test and demonstration of quantum optics principles. We consider a deterministic protocol for the preparation of qubits as a superposition of

Externí odkaz: https://doaj.org/article/69f261aac1184fed9d9890f1e09950e5

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Quantum reinforcement learning: the maze problem

Autor: Filippo Caruso, Nicola Dalla Pozza, STEFANO MARTINA, Lorenzo Buffoni

Publikováno v: Quantum Machine Intelligence. 4

Quantum Machine Learning (QML) is a young but rapidly growing field where quantum information meets machine learning. Here, we will introduce a new QML model generalizing the classical concept of Reinforcement Learning to the quantum domain, i.e. Qua

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10c9d28d7b35bc2bb1459cb9ea598514
https://doi.org/10.1007/s42484-022-00068-y

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Agnostic Dolinar receiver for coherent-state classification

Autor: Nicola Dalla Pozza, Marco Fanizza, Vittorio Giovannetti, Fabio Zoratti

Publikováno v: Physical review. A (Online) 104 (2021): 42606-1–42606-14. doi:10.1103/PhysRevA.104.042606
info:cnr-pdr/source/autori:Zoratti F.; Dalla Pozza N.; Fanizza M.; Giovannetti V./titolo:Agnostic Dolinar receiver for coherent-state classification/doi:10.1103%2FPhysRevA.104.042606/rivista:Physical review. A (Online)/anno:2021/pagina_da:42606-1/pagina_a:42606-14/intervallo_pagine:42606-1–42606-14/volume:104

We consider the problem of discriminating quantum states, where the task is to distinguish two different quantum states with a complete classical knowledge about them, and the problem of classifying quantum states, where the task is to distinguish tw

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40d42cd52391ee28b6d2fe68876d9684
https://doi.org/10.1103/physreva.104.042606

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Hilbert curve vs Hilbert space: exploiting fractal 2D covering to increase tensor network efficiency

Autor: Vittorio Giovannetti, Giovanni Cataldi, Simone Montangero, Nicola Dalla Pozza, Simone Notarnicola, Giuseppe Magnifico, Ashkan Abedi

Publikováno v: Quantum, Vol 5, p 556 (2021)
Quantum (Vienna) 5 (2021):--–--. doi:10.22331/Q-2021-09-29-556
info:cnr-pdr/source/autori:Cataldi G.; Abedi A.; Magnifico G.; Notarnicola S.; Pozza N.D.; Giovannetti V.; Montangero S./titolo:Hilbert curve vs Hilbert space: exploiting fractal 2D covering to increase tensor network efficiency/doi:10.22331%2FQ-2021-09-29-556/rivista:Quantum (Vienna)/anno:2021/pagina_da:--/pagina_a:--/intervallo_pagine:--–--/volume:5
Quantum

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84603deed4999b8e3e3ca6e5441f7058
https://quantum-journal.org/papers/q-2021-09-29-556/pdf/

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Noise sensing via stochastic quantum Zeno

Autor: Matthias M. Müller, Filippo Caruso, Nicola Dalla Pozza, Stefano Gherardini

Publikováno v: Physics letters / A 384(13), 126244-(2020). doi:10.1016/j.physleta.2020.126244
Physics Letters A

The dynamics of any quantum system is unavoidably influenced by the external environment. Thus, the observation of a quantum system (probe) can allow the measure of the environmental features. Here, to spectrally resolve a noise field coupled to the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31f4343bcf0a437d0e4c8378db0f7215
http://hdl.handle.net/2158/1194209

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Quantum Stochastic Walk models for quantum state discrimination

Autor: Filippo Caruso, Nicola Dalla Pozza

Publikováno v: Physics Letters A

Quantum Stochastic Walks (QSW) allow for a generalization of both quantum and classical random walks by describing the dynamic evolution of an open quantum system on a network, with nodes corresponding to quantum states of a fixed basis. We consider

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::306f28415871b24adc5524bb11d8fe98

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Naimark extension for the single-photon canonical phase measurement

Autor: Matteo G. A. Paris, Nicola Dalla Pozza

We address the implementation of the positive operator-valued measure (POVM) describing the optimal M-outcomes discrimination of the polarization state of a single photon. Initially, the POVM elements are extended to projective operators by Naimark t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2298d09999d0dd7e5ef186d21841695d
http://arxiv.org/abs/1904.00632

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