A tale of two actions a variational principle for two-dimensional causal sets

DOI10.1088/1361-6382/abe6b7zbMath1481.83042arXiv2010.12985OpenAlexW3133116352MaRDI QIDQ5163362

B. B. Pilgrim, Luca Bombelli

Publication date: 3 November 2021

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2010.12985

zbMATH Keywords

quantum gravitycausal setsdiscretized gravity

Mathematics Subject Classification ID

Exact enumeration problems, generating functions (05A15) Quantization of the gravitational field (83C45) Lattice gravity, Regge calculus and other discrete methods in general relativity and gravitational theory (83C27) Thermodynamic formalism, variational principles, equilibrium states for dynamical systems (37D35) Exact solutions to problems in general relativity and gravitational theory (83C15) Classical dynamic and nonequilibrium statistical mechanics (general) (82C05) Minkowski geometries in nonlinear incidence geometry (51B20) Causal inference from observational studies (62D20)

Cites Work

• Unnamed Item
• The causal set approach to quantum gravity
• Boundary terms for causal sets
• Asymptotic Enumeration of Partial Orders on a Finite Set
• A new topology for curved space–time which incorporates the causal, differential, and conformal structures
• The class of continuous timelike curves determines the topology of spacetime
• Finite size scaling in 2d causal set quantum gravity
• Discrete spacetime: a web of chains
• Gravity
• A causal set black hole
• General Relativity

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