{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:VA3AOOAE7D4ZSZ75KG2RC3GMM4","short_pith_number":"pith:VA3AOOAE","schema_version":"1.0","canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","source":{"kind":"arxiv","id":"1904.06266","version":1},"attestation_state":"computed","paper":{"title":"A semiclassical field theory that is freed of the ultraviolet catastrophe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Joanna Pietraszewicz, Piotr Deuar","submitted_at":"2019-04-12T15:13:37Z","abstract_excerpt":"A more accurate semiclassical theory for ultracold gases is derived, in which the occupation of high energy modes is dynamically constrained to the Bose-Einstein distribution. This regularized version of the SGPE model preserves the proper nonlinear energy dependence of coupling to the thermal reservoir. As a result, inclusion of high energy modes above $k_BT$ does not cause a UV divergence. Instead, the reservoir becomes a constraint on the high energy tails which are included explicitly in the system. Millions of modes can be treated because computational cost scales slowly, like in other se"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1904.06266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","cross_cats_sorted":[],"title_canon_sha256":"cd89fd47b690947f31e3efc8acd703015da497bc5aff24f2f567686ef4159b51","abstract_canon_sha256":"3a134ba295afa33e47b088691db8f42002f669fd81e0902b91f2a711f21ff5d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:43.716116Z","signature_b64":"BQ+nVzMrK11mkp9ke+J5ipNupiJv1pvG20zRuyGmywG3ENsc4nUZw25j72HA+fFdgisimsUHZ0B9XIXAZwviBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","last_reissued_at":"2026-05-17T23:48:43.715695Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:43.715695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A semiclassical field theory that is freed of the ultraviolet catastrophe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Joanna Pietraszewicz, Piotr Deuar","submitted_at":"2019-04-12T15:13:37Z","abstract_excerpt":"A more accurate semiclassical theory for ultracold gases is derived, in which the occupation of high energy modes is dynamically constrained to the Bose-Einstein distribution. This regularized version of the SGPE model preserves the proper nonlinear energy dependence of coupling to the thermal reservoir. As a result, inclusion of high energy modes above $k_BT$ does not cause a UV divergence. Instead, the reservoir becomes a constraint on the high energy tails which are included explicitly in the system. Millions of modes can be treated because computational cost scales slowly, like in other se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06266","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1904.06266","created_at":"2026-05-17T23:48:43.715761+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.06266v1","created_at":"2026-05-17T23:48:43.715761+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06266","created_at":"2026-05-17T23:48:43.715761+00:00"},{"alias_kind":"pith_short_12","alias_value":"VA3AOOAE7D4Z","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"VA3AOOAE7D4ZSZ75","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"VA3AOOAE","created_at":"2026-05-18T12:33:30.264802+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4","json":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4.json","graph_json":"https://pith.science/api/pith-number/VA3AOOAE7D4ZSZ75KG2RC3GMM4/graph.json","events_json":"https://pith.science/api/pith-number/VA3AOOAE7D4ZSZ75KG2RC3GMM4/events.json","paper":"https://pith.science/paper/VA3AOOAE"},"agent_actions":{"view_html":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4","download_json":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4.json","view_paper":"https://pith.science/paper/VA3AOOAE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.06266&json=true","fetch_graph":"https://pith.science/api/pith-number/VA3AOOAE7D4ZSZ75KG2RC3GMM4/graph.json","fetch_events":"https://pith.science/api/pith-number/VA3AOOAE7D4ZSZ75KG2RC3GMM4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/action/storage_attestation","attest_author":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/action/author_attestation","sign_citation":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/action/citation_signature","submit_replication":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/action/replication_record"}},"created_at":"2026-05-17T23:48:43.715761+00:00","updated_at":"2026-05-17T23:48:43.715761+00:00"}