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20152023
most citedEntropy and the Link Action in the Causal Set Path-Sum

13 citations · 34 across the 8 of their papers we have counts for

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gr-qc2023

Quantum Fields from Causal Order

Abhishek Mathur

We study different aspects of observer independent formulation of quantum field theory (QFT) in curved spacetime background. This thesis is broadly divided into two parts, in the f…

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 "…