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Open Quantum Systems Decoherence Quantum Simulation Entanglement Theory Quantum Correlations

Entropy and the link action in the causal set path-sum

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Authors: Abhishek Mathur, Anup Anand Singh, Sumati Surya

Year

2020

Paper ID

5354

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

89

Citations

13

Abstract

Abstract In causal set theory the gravitational path integral is replaced by a path-sum over a sample space Ω n of n -element causal sets. The contribution from non-manifold-like orders dominates Ω n for large n and therefore must be tamed by a suitable action in the low energy limit of the theory. We extend the work of Loomis and Carlip on the contribution of sub-dominant bilayer orders to the causal set path-sum and show that the ‘link action’ suppresses the dominant Kleitman–Rothschild orders for the same range of parameters.

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  • Abstract In causal set theory the gravitational path integral is replaced by a path-sum over a sample space Ω n of n -element causal sets.

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References & Citation Signals

[1] DOI https://doi.org/10.1088/1361-6382/abd300 [2] Publisher https://doi.org/10.1088/1361-6382/abd300

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External citation index: OpenAlex citation signal • updated 2026-06-19 15:30:56

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