{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:2UBZZCHG4AGLTPHO6RUWAU5PPG","short_pith_number":"pith:2UBZZCHG","schema_version":"1.0","canonical_sha256":"d5039c88e6e00cb9bceef4696053af7980e3f15991b06b01620826b33ac4bde4","source":{"kind":"arxiv","id":"2505.24405","version":1},"attestation_state":"computed","paper":{"title":"Variation of Bose surface by Filling in Cooper pair Bose metal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"physics.comp-ph","authors_text":"Ho-Kin Tang, Jiahao Su, Jianyu Li, Ji Liu, Tao Ying, Zhangkai Cao","submitted_at":"2025-05-30T09:36:52Z","abstract_excerpt":"The Cooper pair Bose metal (CPBM) is a non-superfluid quantum phase in which uncondensed fermion pairs form a \"Bose surface\" in momentum space. We investigate the CPBM in the two-dimensional spin-anisotropic attractive Hubbard model by tuning the next-nearest-neighbor (NNN) hopping t', carrier filling n, and spin anisotropy alpha, using large-scale constrained-path quantum Monte Carlo simulations. A moderate NNN hopping (t'/t = 0.2) substantially enlarges the CPBM region: the phase extends into weaker anisotropy regimes and coexists with a commensurate charge-density wave (CDW) near half-filli"},"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":"2505.24405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2025-05-30T09:36:52Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"ecc3a33852ab2c12c8883f33fdedaee7bae6fefd2cad6213a5ba8910bb447e4f","abstract_canon_sha256":"becf1e96358c2b7a0e98c64f5eb26dcd1e182904e56deff5caa7e8a0e20e8650"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:12:48.525118Z","signature_b64":"onIKmwAFVI+riSmcMlKf6l+T0jyYIIXRh+KW6C5Shghv/u/A2Rx2+Pt2+FR3nNPqGvWiKctyDPMs4a9/nHo7Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5039c88e6e00cb9bceef4696053af7980e3f15991b06b01620826b33ac4bde4","last_reissued_at":"2026-07-05T11:12:48.524585Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:12:48.524585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variation of Bose surface by Filling in Cooper pair Bose metal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"physics.comp-ph","authors_text":"Ho-Kin Tang, Jiahao Su, Jianyu Li, Ji Liu, Tao Ying, Zhangkai Cao","submitted_at":"2025-05-30T09:36:52Z","abstract_excerpt":"The Cooper pair Bose metal (CPBM) is a non-superfluid quantum phase in which uncondensed fermion pairs form a \"Bose surface\" in momentum space. We investigate the CPBM in the two-dimensional spin-anisotropic attractive Hubbard model by tuning the next-nearest-neighbor (NNN) hopping t', carrier filling n, and spin anisotropy alpha, using large-scale constrained-path quantum Monte Carlo simulations. A moderate NNN hopping (t'/t = 0.2) substantially enlarges the CPBM region: the phase extends into weaker anisotropy regimes and coexists with a commensurate charge-density wave (CDW) near half-filli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.24405","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.24405/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2505.24405","created_at":"2026-07-05T11:12:48.524645+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.24405v1","created_at":"2026-07-05T11:12:48.524645+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.24405","created_at":"2026-07-05T11:12:48.524645+00:00"},{"alias_kind":"pith_short_12","alias_value":"2UBZZCHG4AGL","created_at":"2026-07-05T11:12:48.524645+00:00"},{"alias_kind":"pith_short_16","alias_value":"2UBZZCHG4AGLTPHO","created_at":"2026-07-05T11:12:48.524645+00:00"},{"alias_kind":"pith_short_8","alias_value":"2UBZZCHG","created_at":"2026-07-05T11:12:48.524645+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/2UBZZCHG4AGLTPHO6RUWAU5PPG","json":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG.json","graph_json":"https://pith.science/api/pith-number/2UBZZCHG4AGLTPHO6RUWAU5PPG/graph.json","events_json":"https://pith.science/api/pith-number/2UBZZCHG4AGLTPHO6RUWAU5PPG/events.json","paper":"https://pith.science/paper/2UBZZCHG"},"agent_actions":{"view_html":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG","download_json":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG.json","view_paper":"https://pith.science/paper/2UBZZCHG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.24405&json=true","fetch_graph":"https://pith.science/api/pith-number/2UBZZCHG4AGLTPHO6RUWAU5PPG/graph.json","fetch_events":"https://pith.science/api/pith-number/2UBZZCHG4AGLTPHO6RUWAU5PPG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG/action/storage_attestation","attest_author":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG/action/author_attestation","sign_citation":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG/action/citation_signature","submit_replication":"https://pith.science/pith/2UBZZCHG4AGLTPHO6RUWAU5PPG/action/replication_record"}},"created_at":"2026-07-05T11:12:48.524645+00:00","updated_at":"2026-07-05T11:12:48.524645+00:00"}