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Timelike Boundary and Corner Terms in the Causal Set Action

Analytic and numerical evidence that the mean causal set action over Poisson sprinklings into a Minkowski region with a timelike boundary is dominated, as the discreteness length vanishes, by a term proportional to the boundary volume that diverges like l^-1, together with a new conjecture for the codimension-two corner (joint) contribution.

Dr. Theopolis Text

Timelike boundary and corner terms in the causal set action

An investigation, both analytic and numerical, of the causal set action for causal sets generated by Poisson sprinkling points into regions of d-dimensional Minkowski space. Causal set theory models …