{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"c1fd1e093db5422a6799e7e2d11c2241d9947297b1cb4d4146f3d13aa8287e4b","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"764b49cca7cc7a2ccf20bd2507d99e03af76e90db17bf45f1646037e4baa56fe","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"qft.rg-irreversibility","field":"qft","n":"1","review_cite":"T. Nishioka, Entanglement entropy: holography and renormalization group, Rev. Mod. Phys. 90, 035007, 2018","review_link":"https://arxiv.org/abs/1801.10352","review_verified":"true","summary":"When a quantum field theory is viewed at coarser and coarser resolution, its effective number of degrees of freedom appears always to drop. Theorems proving this exist in two, three and four dimensions, but not in five or six, and not for every kind of defect.","title":"Irreversibility of renormalization group flows","topic_ref":null,"why":"Quantities that can only decrease rule out whole classes of proposed long-distance behaviors and order all quantum field theories by size."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"aa2c9297ee0f9c5637717e0362dc66e39fae921c636c489893e101ec3f0ff180","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"cf1c10d6dba6992fc60abe6cdb9d39695d9dd8524e9222ed6023ea0d290af2fe","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"oJ9T2SQTufUcQe4KNn5I2DeV6CtYJaO2Q9y6w7nwoKQw2fg59IIM8e2jcvM2PG6SCkB0qtcO3FPr-1sui2kOCQ"},"schema":"pubphys.envelope/1"},"record_hash":"aa2c9297ee0f9c5637717e0362dc66e39fae921c636c489893e101ec3f0ff180","leaf_index":323}