Search Results - "X, Nomaan"

Studies on the SJ vacuum in de Sitter spacetime by Surya, Sumati, X, Nomaan, Yazdi, Yasaman K.

“…A bstract In this work we study the Sorkin-Johnston (SJ) vacuum in de Sitter spacetime for free scalar field theory. For the massless theory we find that the…”
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A spacetime calculation of the Calabrese-Cardy entanglement entropy by Mathur, Abhishek, Surya, Sumati, 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…”
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Spacetime entanglement entropy: covariance and discreteness by Mathur, Abhishek, Surya, Sumati, Nomaan, X.

“…We review some recent results on Sorkin’s spacetime formulation of the entanglement entropy (SSEE) for a free quantum scalar field both in the continuum and in…”
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Spacetime Entanglement Entropy: Covariance and Discreteness by Mathur, Abhishek, Surya, Sumati, X, Nomaan

“…We review some recent results on Sorkin's spacetime formulation of the entanglement entropy (SSEE) for a free quantum scalar field both in the continuum and in…”
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Manifold Properties from Causal Sets using Chains by Kambor, Joachim, X, Nomaan

“…We study the utility of chains defined on causal sets in estimating continuum properties like the curvature, the proper time and the spacetime dimension…”
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Spacetime Entanglement Entropy of de Sitter and Black Hole Horizons by Mathur, Abhishek, Surya, Sumati, X, Nomaan

“…We calculate Sorkin's manifestly covariant entanglement entropy $\mathcal{S}$ for a massive and massless minimally coupled free Gaussian scalar field for the…”
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A Spacetime Calculation of the Calabrese-Cardy Entanglement Entropy by Mathur, Abhishek, Surya, Sumati, X, Nomaan

“…Physics Letters B. 2021 Aug 8:136567 We calculate Sorkin's spacetime entanglement entropy of a Gaussian scalar field for complementary regions in the 2d…”
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Entanglement Entropy of Causal Set de Sitter Horizons by Surya, Sumati, X, Nomaan, Yazdi, Yasaman K

“…Class. Quantum Grav. 38 115001 (2021) de Sitter cosmological horizons are known to exhibit thermodynamic properties similar to black hole horizons. In this…”
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Scalar Field Green Functions on Causal Sets by X, Nomaan, Dowker, Fay, Surya, Sumati

“…Classical and Quantum Gravity, volume 34, 12, 124002, 2017 We examine the validity and scope of Johnston's models for scalar field retarded Green functions on…”
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Studies on the SJ Vacuum in de Sitter Spacetime by Surya, Sumati, X, Nomaan, Yazdi, Yasaman K

“…JHEP 1907 (2019) 009 In this work we study the Sorkin-Johnston (SJ) vacuum in de Sitter spacetime for free scalar field theory. For the massless theory we find…”
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Quantum Field Theory On Causal Sets by X, Nomaan

“…We give a broad overview of a construction of a theory for matter on fixed causal set backgrounds. We introduce the Sorkin-Johnston formalism for a free (real)…”
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Aspects of Quantum Fields on Causal Sets by X, Nomaan

“…We study some kinematical aspects of quantum fields on causal sets. In particular, we are interested in free scalar fields on a fixed background causal set. We…”
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Entanglement production through a cosmological bounce by Husain, Viqar, Javed, Irfan, Seahra, Sanjeev S, X, Nomaan

“…In quantum cosmology, it is expected that the Big Bang singularity is resolved and the universe undergoes a bounce. We find that for Gaussian initial states,…”
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Motivating semiclassical gravity: a classical-quantum approximation for bipartite quantum systems by Husain, Viqar, Javed, Irfan, Seahra, Sanjeev S, X, Nomaan

“…We derive a "classical-quantum" approximation scheme for a broad class of bipartite quantum systems from fully quantum dynamics. In this approximation, one…”
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