{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:Y2IOH4NIJ4QQVLZHMFC4ZTS6M5","short_pith_number":"pith:Y2IOH4NI","schema_version":"1.0","canonical_sha256":"c690e3f1a84f210aaf276145ccce5e6741dea63afe2f36a2972ca30e6a303bb7","source":{"kind":"arxiv","id":"1604.06470","version":1},"attestation_state":"computed","paper":{"title":"Thermodynamics of the two-dimensional XY model from functional renormalization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con","hep-th"],"primary_cat":"cond-mat.stat-mech","authors_text":"Andreas Eberlein, Pawel Jakubczyk","submitted_at":"2016-04-21T20:02:22Z","abstract_excerpt":"We solve the nonperturbative renormalization-group flow equations for the two-dimensional XY model at the truncation level of the (complete) second-order derivative expansion. We compute the thermodynamic properties in the high-temperature phase and compare the non-universal features specific to the XY model with results from Monte Carlo simulations. In particular, we study the position and magnitude of the specific heat peak as a function of temperature. The obtained results compare well with Monte Carlo simulations. We additionally gauge the accuracy of simplified nonperturbative renormaliza"},"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":"1604.06470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-21T20:02:22Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con","hep-th"],"title_canon_sha256":"bdf6b014a23ceabe24529d6f6be9bfe5f207a84e3db25538c2883c20c9741bcd","abstract_canon_sha256":"49177bbcf89bbf725194fd4a199037ad24416a130269eb077034c66414a487df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:49.666577Z","signature_b64":"TMHMFHV9Qezn9txCzhYJIT2obzvbA4sL/DCM5UqQohzee8ENzn2QuDyWy2iTcac7JkLSglWfMVmQux15WQ0HBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c690e3f1a84f210aaf276145ccce5e6741dea63afe2f36a2972ca30e6a303bb7","last_reissued_at":"2026-05-18T01:10:49.665950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:49.665950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermodynamics of the two-dimensional XY model from functional renormalization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con","hep-th"],"primary_cat":"cond-mat.stat-mech","authors_text":"Andreas Eberlein, Pawel Jakubczyk","submitted_at":"2016-04-21T20:02:22Z","abstract_excerpt":"We solve the nonperturbative renormalization-group flow equations for the two-dimensional XY model at the truncation level of the (complete) second-order derivative expansion. We compute the thermodynamic properties in the high-temperature phase and compare the non-universal features specific to the XY model with results from Monte Carlo simulations. In particular, we study the position and magnitude of the specific heat peak as a function of temperature. The obtained results compare well with Monte Carlo simulations. We additionally gauge the accuracy of simplified nonperturbative renormaliza"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06470","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":"1604.06470","created_at":"2026-05-18T01:10:49.666025+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.06470v1","created_at":"2026-05-18T01:10:49.666025+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06470","created_at":"2026-05-18T01:10:49.666025+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y2IOH4NIJ4QQ","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y2IOH4NIJ4QQVLZH","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y2IOH4NI","created_at":"2026-05-18T12:30:51.357362+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/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5","json":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5.json","graph_json":"https://pith.science/api/pith-number/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/graph.json","events_json":"https://pith.science/api/pith-number/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/events.json","paper":"https://pith.science/paper/Y2IOH4NI"},"agent_actions":{"view_html":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5","download_json":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5.json","view_paper":"https://pith.science/paper/Y2IOH4NI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.06470&json=true","fetch_graph":"https://pith.science/api/pith-number/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/graph.json","fetch_events":"https://pith.science/api/pith-number/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/action/storage_attestation","attest_author":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/action/author_attestation","sign_citation":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/action/citation_signature","submit_replication":"https://pith.science/pith/Y2IOH4NIJ4QQVLZHMFC4ZTS6M5/action/replication_record"}},"created_at":"2026-05-18T01:10:49.666025+00:00","updated_at":"2026-05-18T01:10:49.666025+00:00"}