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20222025
most citedParallel waves in Einstein-non linear sigma models

7 citations · 13 across the 5 of their papers we have counts for

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5 papers

gr-qc2025★ 3 cited

Entanglement and correlations between local observables in de Sitter spacetime

Patricia Ribes-Metidieri, Ivan Agullo, Béatrice Bonga

Studies of quantum field entanglement in de Sitter space based on the von Neumann entropy of local patches have concluded that curvature enhances entanglement between regions and t…

quant-ph2024

The multimode nature of spacetime entanglement in QFT

Ivan Agullo, Béatrice Bonga, Eduardo Martín-Martínez +5

We demonstrate the presence of multimode entanglement in the vacuum state of a free, massless scalar quantum field in four-dimensional flat spacetime between two sets of field mode…

gr-qc2024★ 1 cited

Inflation does not create entanglement in local observables

Patricia Ribes-Metidieri, Ivan Agullo, Béatrice Bonga

Using modern tools of relativistic quantum information, we compare entanglement of a free, massive scalar field in the Bunch-Davies vacuum in the cosmological patch of de Sitter sp…

quant-ph2023★ 2 cited

How ubiquitous is entanglement in quantum field theory?

Ivan Agullo, Béatrice Bonga, Patricia Ribes-Metidieri +2

It is well known that entanglement is widespread in quantum field theory, in the following sense: every Reeh-Schlieder state contains entanglement between any two spatially separat…

gr-qc2022★ 7 cited

Parallel waves in Einstein-non linear sigma models

Béatrice Bonga, Gustavo Dotti

We study a family of solutions of Einstein-non linear sigma models with and target manifolds. In the case, the solutions are smooth everywhere, free of…