{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:NJU4DFAJBJK623DMFYIBGWC7UP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"2e359ec5f94d8e92cb712aab0a0331a58a87e644282f443ffc43b76a1c37dda3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-04-30T17:35:00Z","title_canon_sha256":"8e2dc816442a783928af907b25ab622279b297cc035c7ae3c0431812e4ca8c39"},"schema_version":"1.0","source":{"id":"cond-mat/9304049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9304049","created_at":"2026-07-04T17:24:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9304049v1","created_at":"2026-07-04T17:24:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9304049","created_at":"2026-07-04T17:24:05Z"},{"alias_kind":"pith_short_12","alias_value":"NJU4DFAJBJK6","created_at":"2026-07-04T17:24:05Z"},{"alias_kind":"pith_short_16","alias_value":"NJU4DFAJBJK623DM","created_at":"2026-07-04T17:24:05Z"},{"alias_kind":"pith_short_8","alias_value":"NJU4DFAJ","created_at":"2026-07-04T17:24:05Z"}],"graph_snapshots":[{"event_id":"sha256:cda24093da86416b5529c9846789702de03a7b615dc19f6c527df6c49b8bf708","target":"graph","created_at":"2026-07-04T17:24:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9304049/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a non linear sigma model $O(N)\\otimes O(2)/O(N-2)\\otimes O(2)$ describing the phase transition of N-components helimagnets up to two loop order in $D=2+\\epsilon$ dimensions. It is shown that a stable fixed point exists as soon as $N$ is greater than 3 (or equal). In the N=3 case, the symmetry of the system is dynamically enlarged at the fixed point to O(4) We show that the order parameter for Heisenberg helimagnets involves a tensor representation of $O(4)$. We show that for large $N$ and in the neighborhood of two dimensions this nonlinear sigma model describes the same critical theo","authors_text":"B. Delamotte, F. Delduc, P. Azaria, Th. Jolicoeur","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1993-04-30T17:35:00Z","title":"A Renormalization Group Study of Helimagnets in D=2+EPSILON Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9304049","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:39d5363ab3832bcdad80debe7436a84428cda06daf4de690264f6c3b5c873610","target":"record","created_at":"2026-07-04T17:24:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"2e359ec5f94d8e92cb712aab0a0331a58a87e644282f443ffc43b76a1c37dda3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-04-30T17:35:00Z","title_canon_sha256":"8e2dc816442a783928af907b25ab622279b297cc035c7ae3c0431812e4ca8c39"},"schema_version":"1.0","source":{"id":"cond-mat/9304049","kind":"arxiv","version":1}},"canonical_sha256":"6a69c194090a55ed6c6c2e1013585fa3e51eda56c5714555b0c09358a09e614b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a69c194090a55ed6c6c2e1013585fa3e51eda56c5714555b0c09358a09e614b","first_computed_at":"2026-07-04T17:24:05.106388Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:24:05.106388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yKhwUxVkUESg3z34PE7VO0XqqybGFfE8eWlmgZQFBusyIJV5e6J2+F1alwRl1gD14pyVGmMjU8O/BQ+CFvfwBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:24:05.106758Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9304049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39d5363ab3832bcdad80debe7436a84428cda06daf4de690264f6c3b5c873610","sha256:cda24093da86416b5529c9846789702de03a7b615dc19f6c527df6c49b8bf708"],"state_sha256":"af810a113ee685f35bb687d85c1b2186f5bccce1cd92c66fba6911fb46e444dd"}