Cosmological cutting rules from flat-space unitarity via dressing

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dc.contributor.authorANSARI, ARHUMen_US
dc.contributor.authorJAIN, SACHINen_US
dc.contributor.authorMAZUMDAR, DEEPen_US
dc.contributor.departmentDept. of Physicsen_US
dc.date.accessioned2026-09-24T07:29:17Z
dc.date.issued2026-09en_US
dc.description.abstractUsing cosmological dressing rules, we uplift flat-space unitarity cuts to discontinuity relations for dS/EAdS observables. In this representation, Cutkosky delta functions map directly to “Disc” operations in the exchanged energy variable. This provides a transparent diagram-by-diagram origin of cosmological cutting rules. We illustrate this with explicit examples at tree level and one loop for conformally coupled scalars.en_US
dc.identifier.citationJournal of High Energy Physics, 2026(09), 124.en_US
dc.identifier.issn1029-8479en_US
dc.identifier.sourcetitleJournal of High Energy Physicsen_US
dc.identifier.urihttps://doi.org/10.1007/JHEP09(2026)124en_US
dc.identifier.urihttps://dr.iiserpune.ac.in/handle/123456789/11466
dc.language.isoenen_US
dc.publication.originofpublisherForeignen_US
dc.publisherSpringer Natureen_US
dc.subjectde Sitter spaceen_US
dc.subjectScattering Amplitudesen_US
dc.subjectCosmological modelsen_US
dc.subject2026-SEP-WEEK1en_US
dc.subjectTOC-SEP-2026en_US
dc.subject2026en_US
dc.titleCosmological cutting rules from flat-space unitarity via dressingen_US
dc.typeArticleen_US

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