8 papers · 1 filter
The Prepare and Broadcast Scenario
Tailan S. Sarubi, Moisés Alves, Santiago Zamora +3
We introduce the dimension-restricted prepare and broadcast (PAB) scenario, which generalizes standard prepare-and-measure frameworks. Here, the system prepared by a sender undergo…
Detection Efficiency Bounds in (Semi-)Device-Independent Scenarios
Tailan S. Sarubi, Santiago Zamora, Moisés Alves +3
This article provides a comprehensive review of the critical role of detection efficiency in demonstrating non-classicality across various device-independent and semi-device-indepe…
Semi-device-independent randomness certification on discretized continuous-variable platforms
Moisés Alves, Vitor L. Sena, Santiago Zamora +4
Randomness is fundamental for secure communication and information processing. While continuous-variable optical systems offer an attractive platform for this task, certifying genu…
Entanglement distribution in quantum networks via swapping of partially entangled pure states
Henrique Guerra, Tailan S. Sarubi, Rafael Chaves +1
The entanglement swapping protocol (ESP) is a fundamental primitive for distributing quantum correlations across distant nodes in a quantum network. Recent studies have demonstrate…
Efficient detection of localization transitions using predictability
Tiago Pernambuco, Jonas Maziero, Rafael Chaves
Identifying phase transition points is a fundamental challenge in condensed matter physics, particularly for transitions driven by quantum interference effects, such as Anderson an…
A variational quantum algorithm for entanglement quantification
Lucas Friedrich, Marcos L. W. Basso, Alberto B. P. Junior +4
Quantum entanglement is a foundational resource in quantum information science, underpinning applications across physics. However, detecting and quantifying entanglement remains a…