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gr-qc2021★ 4 cited
Spacetime Entanglement Entropy of de Sitter and Black Hole Horizons
Abhishek Mathur, Sumati Surya, Nomaan X
We calculate Sorkin's manifestly covariant entanglement entropy for a massive and massless minimally coupled free Gaussian scalar field for the de Sitter horizon and…
gr-qc2021★ 4 cited
A Spacetime Calculation of the Calabrese-Cardy Entanglement Entropy
Abhishek Mathur, Sumati Surya, Nomaan X
We calculate Sorkin's spacetime entanglement entropy of a Gaussian scalar field for complementary regions in the 2d cylinder spacetime and show that it has the Calabrese-Cardy form…