{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:NP4HGI3BRPPC273WUPD5KODN3W","short_pith_number":"pith:NP4HGI3B","schema_version":"1.0","canonical_sha256":"6bf87323618bde2d7f76a3c7d5386dddafc97b71acf8ad448fb0d4b3a7c84a19","source":{"kind":"arxiv","id":"1705.02988","version":1},"attestation_state":"computed","paper":{"title":"Excited-state quantum phase transitions in a two-fluid Lipkin model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"nucl-th","authors_text":"J.E. Garcia-Ramos, J.M. Arias, P. Perez-Fernandez","submitted_at":"2017-05-08T17:42:15Z","abstract_excerpt":"Background: Composed systems have became of great interest in the framework of the ground state quantum phase transitions (QPTs) and many of their properties have been studied in detail. However, in these systems the study of the so called excited-state quantum phase transitions (ESQPTs) have not received so much attention.\n  Purpose: A quantum analysis of the ESQPTs in the two-fluid Lipkin model is presented in this work. The study is performed through the Hamiltonian diagonalization for selected values of the control parameters in order to cover the most interesting regions of the system pha"},"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":"1705.02988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-05-08T17:42:15Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"9d91e7ca99303ccf8dd40bbf97935337f2745cc64e683ab5907222bc7dec4228","abstract_canon_sha256":"52dfda94b94481e80c715852a3c6298d15e2ec3feefa70d36eb64f95e8639e99"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:33.008300Z","signature_b64":"8T4yYQ2tXWaidmJqc+SOli0rbD2vSR/ojIMOEIxzNeLXx/1Qo7O/RErcZ2/1RIG8XzlcsGSO/Wtcr8ib21UMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bf87323618bde2d7f76a3c7d5386dddafc97b71acf8ad448fb0d4b3a7c84a19","last_reissued_at":"2026-05-18T00:41:33.007769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:33.007769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Excited-state quantum phase transitions in a two-fluid Lipkin model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"nucl-th","authors_text":"J.E. Garcia-Ramos, J.M. Arias, P. Perez-Fernandez","submitted_at":"2017-05-08T17:42:15Z","abstract_excerpt":"Background: Composed systems have became of great interest in the framework of the ground state quantum phase transitions (QPTs) and many of their properties have been studied in detail. However, in these systems the study of the so called excited-state quantum phase transitions (ESQPTs) have not received so much attention.\n  Purpose: A quantum analysis of the ESQPTs in the two-fluid Lipkin model is presented in this work. The study is performed through the Hamiltonian diagonalization for selected values of the control parameters in order to cover the most interesting regions of the system pha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02988","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":"1705.02988","created_at":"2026-05-18T00:41:33.007868+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.02988v1","created_at":"2026-05-18T00:41:33.007868+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02988","created_at":"2026-05-18T00:41:33.007868+00:00"},{"alias_kind":"pith_short_12","alias_value":"NP4HGI3BRPPC","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"NP4HGI3BRPPC273W","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"NP4HGI3B","created_at":"2026-05-18T12:31:34.259226+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/NP4HGI3BRPPC273WUPD5KODN3W","json":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W.json","graph_json":"https://pith.science/api/pith-number/NP4HGI3BRPPC273WUPD5KODN3W/graph.json","events_json":"https://pith.science/api/pith-number/NP4HGI3BRPPC273WUPD5KODN3W/events.json","paper":"https://pith.science/paper/NP4HGI3B"},"agent_actions":{"view_html":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W","download_json":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W.json","view_paper":"https://pith.science/paper/NP4HGI3B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.02988&json=true","fetch_graph":"https://pith.science/api/pith-number/NP4HGI3BRPPC273WUPD5KODN3W/graph.json","fetch_events":"https://pith.science/api/pith-number/NP4HGI3BRPPC273WUPD5KODN3W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W/action/storage_attestation","attest_author":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W/action/author_attestation","sign_citation":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W/action/citation_signature","submit_replication":"https://pith.science/pith/NP4HGI3BRPPC273WUPD5KODN3W/action/replication_record"}},"created_at":"2026-05-18T00:41:33.007868+00:00","updated_at":"2026-05-18T00:41:33.007868+00:00"}