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Boundary terms for causal sets

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dc.contributor.authorBuck, Michel
dc.contributor.authorDowker, Fay
dc.contributor.authorJubb, Ian
dc.contributor.authorSurya, Sumati
dc.date.accessioned2016-09-20T06:13:10Z
dc.date.available2016-09-20T06:13:10Z
dc.date.issued2015-10-22
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en_US
dc.description.abstractWe propose a family of boundary terms for the action of a causal set with a spacelike boundary. We show that in the continuum limit one recovers the Gibbons–Hawking–York boundary term in the mean. We also calculate the continuum limit of the mean causal set action for an Alexandrov interval in flat spacetime. We find that it is equal to the volume of the codimension-2 intersection of the two light-cone boundaries of the interval.en_US
dc.identifier.citationClassical and Quantum Gravity, 2015, Vol.32, p 205004en_US
dc.identifier.issn0264-9381
dc.identifier.issn1361-6382(Online)
dc.identifier.urihttp://hdl.handle.net/2289/6383
dc.language.isoenen_US
dc.publisherInstitute of Physicsen_US
dc.relation.urihttp://arxiv.org/abs/1502.05388en_US
dc.relation.urihttp://dx.doi.org/10.1088/0264-9381/32/20/205004en_US
dc.relation.urihttp://adsabs.harvard.edu/abs/2015CQGra..32t5004Ben_US
dc.rights2015 Institute of Physicsen_US
dc.titleBoundary terms for causal setsen_US
dc.typeArticleen_US

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