{"paper":{"title":"Birth of Inflationary Universes via Wineglass Wormholes and their No-Boundary Relatives","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Wineglass wormholes can nucleate inflationary spacetimes from asymptotically flat or AdS regions via analytic continuation.","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"George Lavrelashvili, Jean-Luc Lehners","submitted_at":"2026-05-11T13:26:33Z","abstract_excerpt":"We study Euclidean wineglass wormholes, which mediate the nucleation of inflationary spacetimes from an existing spacetime with asymptotically flat or Anti-de Sitter regions. These wormholes are distinguished by the presence of a local maximum of the scale factor, which allows the analytically continued Lorentzian spacetime to expand after materialization. We present explicit numerical wormhole solutions supported either by an axionic field or a magnetic gauge field, in both cases in conjunction with a self-interacting scalar field. More exotic solutions, with multiple extrema of the scale fac"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We present explicit numerical wormhole solutions supported either by an axionic field or a magnetic gauge field, in both cases in conjunction with a self-interacting scalar field. In the limit of small axionic or magnetic charge, wineglass wormhole solutions split into two separate geometries, one being the background spacetime and the other a disconnected no-boundary instanton.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The analytic continuation from the Euclidean wineglass geometry to a Lorentzian expanding spacetime is valid and that the local maximum of the scale factor indeed triggers inflation after materialization.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Wineglass wormholes with a local maximum in the scale factor mediate the birth of inflationary spacetimes and split into background plus no-boundary geometries at small axionic or magnetic charge.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Wineglass wormholes can nucleate inflationary spacetimes from asymptotically flat or AdS regions via analytic continuation.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"9439cbf7c40a64d4171b7acb2f518052c30081e63b714a92f1586ae1c51df5a3"},"source":{"id":"2605.10548","kind":"arxiv","version":2},"verdict":{"id":"3e9dda90-50dd-43fd-9de2-8d5f0d5d1507","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-12T04:44:42.633343Z","strongest_claim":"We present explicit numerical wormhole solutions supported either by an axionic field or a magnetic gauge field, in both cases in conjunction with a self-interacting scalar field. In the limit of small axionic or magnetic charge, wineglass wormhole solutions split into two separate geometries, one being the background spacetime and the other a disconnected no-boundary instanton.","one_line_summary":"Wineglass wormholes with a local maximum in the scale factor mediate the birth of inflationary spacetimes and split into background plus no-boundary geometries at small axionic or magnetic charge.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The analytic continuation from the Euclidean wineglass geometry to a Lorentzian expanding spacetime is valid and that the local maximum of the scale factor indeed triggers inflation after materialization.","pith_extraction_headline":"Wineglass wormholes can nucleate inflationary spacetimes from asymptotically flat or AdS regions via analytic continuation."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.10548/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"claim_evidence","ran_at":"2026-05-20T05:42:00.955967Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"ai_meta_artifact","ran_at":"2026-05-19T14:41:35.932498Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_title_agreement","ran_at":"2026-05-19T11:01:17.778475Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T09:11:53.198742Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"e060f186a0a144e754a74e29c517ed5639b12495f62139e8be93dc6868bf8f0b"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":1,"snapshot_sha256":"76bd3206129045903782016986e0375004aad81e33fc0276ad1062b30721d33d"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}