Journal article
Timelike boundary and corner terms in the causal set action
- Abstract:
- The causal set action of dimension d is investigated for causal sets that are Poisson sprinklings into manifolds that are regions of d-dimensional Minkowski space. Evidence, both analytic and numerical, is provided for the conjecture that as the discreteness length l tends to zero, the mean of the causal set action over Poisson sprinklings into a manifold with a timelike boundary, is dominated by a term proportional to the volume of the timelike boundary and diverges like l−1. A novel conjecture for the contribution to the causal set action from co-dimension two corners, also known as joints, is proposed and justified.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 2.6MB, Terms of use)
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- Publisher copy:
- 10.1088/1361-6382/ae0be5
Authors
+ Innovation, Science and Economic Development Canada
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- Funder identifier:
- https://ror.org/03zp01h17
+ Science and Technology Facilities Council
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- Funder identifier:
- https://ror.org/057g20z61
- Publisher:
- IOP Publishing
- Journal:
- Classical and Quantum Gravity More from this journal
- Volume:
- 42
- Issue:
- 20
- Article number:
- 205006
- Publication date:
- 2025-10-13
- Acceptance date:
- 2025-09-25
- DOI:
- EISSN:
-
1361-6382
- ISSN:
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0264-9381
- Language:
-
English
- Keywords:
- Pubs id:
-
2309710
- Local pid:
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pubs:2309710
- Source identifiers:
-
3365852
- Deposit date:
-
2025-10-13
- ARK identifier:
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Terms of use
- Copyright date:
- 2025
- Licence:
- CC Attribution (CC BY)
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