Zobrazeno 1 - 10
of 318
pro vyhledávání: '"P. Bancal"'
The Wineland parameter aims at detecting metrologically useful entangled states, called spin-squeezed states, from expectations and variances of total angular momenta. Efficient strategies for estimating this parameter in practice have yet to be dete
Externí odkaz:
http://arxiv.org/abs/2410.23741
Autor:
Lanore, Corentin, Grasselli, Federico, Valcarce, Xavier, Bancal, Jean-Daniel, Sangouard, Nicolas
Nonlocal quantum realizations, certified by the violation of a Bell inequality, are core resources for device-independent quantum information processing. Although proof-of-principle experiments demonstrating device-independent quantum information pro
Externí odkaz:
http://arxiv.org/abs/2410.19670
Autor:
Storz, Simon, Kulikov, Anatoly, Schär, Josua D., Barizien, Victor, Valcarce, Xavier, Berterottière, Florence, Sangouard, Nicolas, Bancal, Jean-Daniel, Wallraff, Andreas
Self-testing protocols enable the certification of quantum systems in a device-independent manner, i.e. without knowledge of the inner workings of the quantum devices under test. Here, we demonstrate this high standard for characterization routines w
Externí odkaz:
http://arxiv.org/abs/2408.01299
Autor:
Barizien, Victor, Bancal, Jean-Daniel
In any given experimental scenario, the rules of quantum theory provide statistical distributions that the observed outcomes are expected to follow. The set formed by all these distributions contains the imprint of quantum theory, capturing some of i
Externí odkaz:
http://arxiv.org/abs/2406.09350
Autor:
A. Fortineau, P. Bancal
Publikováno v:
Plant Methods, Vol 14, Iss 1, Pp 1-12 (2018)
Abstract Background In plants, three-dimensional (3-D) organs such as inflorescences or fruits carry out photosynthesis and thus play a significant role in carbon assimilation and yield. However, this contribution has been poorly characterized becaus
Externí odkaz:
https://doaj.org/article/0f141966b47d4ce49f865e143f2cd08f
Autor:
Barizien, Victor, Bancal, Jean-Daniel
Publikováno v:
Phys. Rev. Lett. 133, 010201 (2024)
It is well-known that the set of statistics that can be observed in a Bell-type experiment is limited by quantum theory. Unfortunately, tools are missing to identify the precise boundary of this set. Here, we propose to study the set of quantum stati
Externí odkaz:
http://arxiv.org/abs/2401.12791
Publikováno v:
Quantum 8, 1333 (2024)
Bell inequalities play a key role in certifying quantum properties for device-independent quantum information protocols. It is still a major challenge, however, to devise Bell inequalities tailored for an arbitrary given quantum state. Existing appro
Externí odkaz:
http://arxiv.org/abs/2308.08601
Publikováno v:
Phys. Rev. Lett. 131, 170802 (2023)
Quantum memories represent one of the main ingredients of future quantum communication networks. Their certification is therefore a key challenge. Here we develop efficient certification methods for quantum memories. Considering a device-independent
Externí odkaz:
http://arxiv.org/abs/2304.10408
Autor:
Bock, Matthias, Sekatski, Pavel, Bancal, Jean-Daniel, Kucera, Stephan, Bauer, Tobias, Sangouard, Nicolas, Becher, Christoph, Eschner, Jürgen
Publikováno v:
npj Quantum Information 10, 63 (2024)
We report on a method to certify a unitary operation with the help of source and measurement apparatuses whose calibration throughout the certification process needs not be trusted. As in the device-independent paradigm our certification method relie
Externí odkaz:
http://arxiv.org/abs/2304.09517
Autor:
Bancal, Jean-Daniel, Sekatski, Pavel
One-sided confidence intervals are presented for the average of non-identical Bernoulli parameters. These confidence intervals are expressed as analytical functions of the total number of Bernoulli games won, the number of rounds and the confidence l
Externí odkaz:
http://arxiv.org/abs/2212.12558