4 citations · 4 across the 2 of their papers we have counts for
2 papers
gr-qc2023
Null Geodesics from Ladder Molecules
Anish Bhattacharya, Abhishek Mathur, Sumati Surya
We propose a discrete analogue of null geodesics in causal sets that are approximated by a region of 2d Minkowski spacetime, in the spirit of Kronheimer and Penrose's "grids" and "…
gr-qc2022★ 4 cited
Spacetime Entanglement Entropy: Covariance and Discreteness
Abhishek Mathur, Sumati Surya, 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 manifold-like causal…