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quant-ph2026
How Quantum Contextuality disappears in the Classical Limit
Arthur C. R. Dutra, Roberto D. Baldijão, Marcelo Terra Cunha
The emergence of classicality is fundamentally driven by the interaction between a quantum system and its environment. Foundational open-system approaches, notably the Caldeira-Leg…
quant-ph2024★ 1 cited
Unexpected consequences of Post-Quantum theories in the graph-theoretical approach to correlations
José Nogueira, Carlos Vieira, Marcelo Terra Cunha
This work explores the implications of the exclusivity principle (EP) in the context of quantum and postquantum correlations. We first establish a key technical result demonstratin…
quant-ph2023
Generalized Bell scenarios: disturbing consequences on local-hidden-variable models
André Mazzari, Gabriel Ruffolo, Carlos Vieira +3
Bell nonlocality and Kochen-Specker contextuality are among the main topics of foundations of quantum theory. Both of them are related to stronger-than-classical correlations, with…