Our Recent Publications

2024

Unexpected consequences of Post-Quantum theories in the graph-theoretical approach to correlations

Authors: José Nogueira, Carlos Vieira, Marcelo Terra Cunha

Published in: Preprint

Date: Nov 2024


Trade-off relations between Bell nonlocality and local Kochen-Specker contextuality in generalized Bell scenarios

Authors: Lucas E. A. Porto, Gabriel Ruffolo, Rafael Rabelo, Marcelo Terra Cunha, Pawel Kurzynski

Published in: New Journal of Physics

Date: Aug 2024


Characterizing Optimal-speed unitary time evolution of pure and quasi-pure quantum states

Authors: John A. Mora Rodríguez, Brian Grajales, Marcelo Terra Cunha, Lino Grama

Published in: Preprint

Date: Aug 2024


Causal Data Fusion with Quantum Confounders

Authors: Pedro Lauand, Bereket Ngussie Bekele, Elie Wolfe

Published in: Preprint

Date: May 2024


Quantum Non-classicality from Causal Data Fusion

Authors: Pedro Lauand, Bereket Ngussie Bekele, Elie Wolfe

Published in: Preprint

Date: May 2024


Monogamy of nonlocality from multipartite information causality

Authors: Lucas Pollyceno, Anubhav Chaturvedi, Chithra Raj, Pedro R. Dieguez, Marcin Pawłowski

Published in: Preprint

Date: Jan 2024


Optimal complexity of parameterized quantum circuits

Authors: Guilherme Ilário Correr

Published in: Preprint

Date: Jan 2024


Characterizing randomness in parameterized quantum circuits through expressibility and average entanglement

Authors: Guilherme Ilário Correr, Ivan Medina, Pedro C. Azado, Alexandre Drinko, Diogo O. Soares-Pinto

Published in: Preprint

Date: Jan 2024


Quantum non-classicality in the simplest causal network

Authors: Pedro Lauand, Davide Poderini, Rafael Rabelo, Rafael Chaves

Published in: Preprint

Date: Jan 2024


Observational-Interventional Bell Inequalities

Authors: Davide Poderini, Ranieri Nery, George Moreno, Santiago Zamora, Pedro Lauand, Rafael Chaves

Published in: Preprint

Date: Jan 2024



2023

Can multiple observers detect KS-contextuality?

Authors: Arthur C. R. Dutra, Roberto D. Baldijão, Marcelo Terra Cunha

Published in: Preprint

Date: Jan 2023


The quantum maxima for the basic graphs of exclusivity are not reachable in Bell scenarios

Authors: Lucas E. A. Porto, Rafael Rabelo, Marcelo Terra Cunha, Adán Cabello

Published in: Philosophical Transactions of the Royal Society A

Date: Jan 2023


Wigner and friends, a map is not the territory! Contextuality in multi-agent paradoxes

Authors: Sidiney B. Montanhano

Published in: Preprint

Date: Jan 2023



2022

Differential Geometry of Contextuality

Authors: Sidiney B. Montanhano

Published in: Preprint

Date: Feb 2022


Witnessing Non-Classicality in a Simple Causal Structure with Three Observable Variables

Authors: Pedro Lauand, Davide Poderini, Ranieri Nery, George Moreno, Lucas Pollyceno, Rafael Rabelo, Rafael Chaves

Published in: Preprint

Date: Jan 2022


No-broadcasting theorem for non-signalling boxes and assemblages

Authors: Carlos Vieira, Adrian Solymos, Cristhiano Duarte, Zoltán Zimborás

Published in: Preprint

Date: Jan 2022


Synchronous observation of Bell nonlocality and state-dependent Kochen-Specker contextuality

Authors: Lei Xiao, Gabriel Ruffolo, André Mazzari, Tassius Temistocles, Marcelo Terra Cunha, Rafael Rabelo, Peng Xue

Published in: Phys. Rev. Lett. 130, 040201 (2023)

Date: Jan 2022


Interplays between classical and quantum entanglement-assisted communication scenarios

Authors: Carlos Vieira, Carlos de Gois, Lucas Pollyceno, Rafael Rabelo

Published in: Preprint

Date: Jan 2022



2021

Entanglement-based quantum communication complexity beyond Bell nonlocality

Authors: Joseph Ho, George Moreno, Samuraí Brito, Francesco Graffitti, Christopher L. Morrison, Ranieri Nery, Alexander Pickston, Massimiliano Proietti, Rafael Rabelo, Alessandro Fedrizzi, Rafael Chaves

Published in: npj Quantum Information

Date: Jun 2021


Quantum communication complexity beyond Bell nonlocality

Authors: Joseph Ho, George Moreno, Samuraí Brito, Francesco Graffitti, Christopher L. Morrison, Ranieri Nery, Alexander Pickston, Massimiliano Proietti, Rafael Rabelo, Alessandro Fedrizzi, Rafael Chaves

Published in: Preprint

Date: Jun 2021


Quantum sets of the multicolored-graph approach to contextuality

Authors: Lina Vandré, Marcelo Terra Cunha

Published in: Phys. Rev. A 106, 062210 (2022)

Date: May 2021


General Method for classicality certification in the prepare and measure scenario

Authors: Carlos de Gois, George Moreno, Ranieri Nery, Samuraí Brito, Rafael Chaves, Rafael Rabelo

Published in: PRX Quantum 2, 030311 (2021)

Date: Jan 2021



2020

Quantum Darwinism and the spreading of classical information in non-classical theories

Authors: Roberto D. Baldijao, Marius Krumm, Andrew J. P. Garner, Markus P. Mueller

Published in: Quantum 6, 636 (2022)

Date: Dec 2020



2019

Bounding the sets of classical and quantum correlations in networks

Authors: Alejandro Pozas-Kerstjens, Rafael Rabelo, Łukasz Rudnicki, Rafael Chaves, Daniel Cavalcanti, Miguel Navascues, Antonio Acín

Published in: Phys. Rev. Lett. 123, 140503 (2019)

Date: Apr 2019



2018

Classical Limits and Contextuality in a Scenario of Multiple Observers

Authors: Roberto D. Baldijao, Marcelo Terra Cunha

Published in: Phys. Rev. A 102.052226 (2020)

Date: Nov 2018



2017

Uniqueness of the joint measurement and the structure of the set of compatible quantum measurements

Authors: Leonardo Guerini, Marcelo Terra Cunha

Published in: Journal of Mathematical Physics 59, 042106 (2018)

Date: Nov 2017


Proposal for Automated Operations for Single-Photon Multipath Qudits

Authors: Roberto D. Baldijão, Gilberto F. Borges, Breno Marques, Miguel Solís-prosser, Leonardo Neves, Sebastião Pádua

Published in: Phys. Rev. A 96, 032329 (2017)

Date: Mar 2017



2015

General method for constructing local-hidden-variable models for entangled quantum states

Authors: Daniel Cavalcanti, Leonardo Guerini, Rafael Rabelo, Paul Skrzypczyk

Published in: Phys. Rev. Lett. 117, 190401 (2016)

Date: Dec 2015



2014

Multigraph approach to quantum non-locality

Authors: Rafael Rabelo, Cristhiano Duarte, Antonio J. Lopez-Tarrida, Marcelo Terra Cunha, Adan Cabello

Published in: J. Phys. A: Math. Theor. 47 (2014) 424021

Date: Jul 2014



2013

Simple Hardy-like proof of quantum contextuality

Authors: Adan Cabello, Piotr Badziag, Marcelo Terra Cunha, Mohamed Bourennane

Published in: Phys. Rev. Lett. 111 (2013) 180404

Date: Oct 2013



2012

State-independent contextuality with identical particles

Authors: Adan Cabello, Marcelo Terra Cunha

Published in: Phys. Rev. A 87 (2013) 022126

Date: Dec 2012



2011

Tests of Bell inequality with arbitrarily low photodetection efficiency and homodyne measurements

Authors: Mateus Araújo, Marco Túlio Quintino, Daniel Cavalcanti, Marcelo França Santos, Adán Cabello, Marcelo Terra Cunha

Published in: Phys. Rev. A 86, 030101(R) (2012)

Date: Dec 2011



2010

Continuous Quantum Error Correction Through Local Operations

Authors: Eduardo Mascarenhas, Breno Marques, Marcelo Terra Cunha, Marcelo França Santos

Published in: Phys. Rev. A 82, 032327 (2010)

Date: Sep 2010