{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"908b7723ef9dac2389787492d347c035a10aabd3a7d22e761164ddefe408281a","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"fb41d4604286dc4a8cf628847cf001c02b961d8ac7c900808be4af35db818483","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"qft.resurgence","field":"qft","n":"1","review_cite":"D. Dorigoni, An introduction to resurgence, trans-series and alien calculus, Annals of Physics 409, 167914, 2019","review_link":"https://arxiv.org/abs/1411.3585","review_verified":"true","summary":"Calculations in quantum field theory produce series in powers of the coupling that never converge, because the terms eventually grow like factorials. Resurgence studies how the missing nonperturbative effects are encoded in this growth.","title":"Resurgence and the meaning of perturbation series","topic_ref":null,"why":"It decides whether a quantum field theory is fully determined by its perturbative series plus a finite set of nonperturbative effects."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"88aaaf6de44f69e9ea9e8b5c7e7832ec7f2fa0d6edca48ad49c04f5b96cbb185","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"c312552f79a9bea54ff1522c21acc4cfc69a07d995f17df46593e6a496aa1a8c","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"L9SFP1UqcR2QfBuOiYjFQNIhDZOInEijHWmEvDa6LTzi9ebejauo7xATG8plYLPwUh_dmgS_nML1QhErQcqsDQ"},"schema":"pubphys.envelope/1"},"record_hash":"88aaaf6de44f69e9ea9e8b5c7e7832ec7f2fa0d6edca48ad49c04f5b96cbb185","leaf_index":322}