{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:6JDMUEXLVMWCJEHCU6HRCWKCT2","short_pith_number":"pith:6JDMUEXL","schema_version":"1.0","canonical_sha256":"f246ca12ebab2c2490e2a78f1159429eb1de59063b25856cee47c3f66a898fd5","source":{"kind":"arxiv","id":"1311.6504","version":2},"attestation_state":"computed","paper":{"title":"Phase diagram of the square lattice bilayer Hubbard model: a variational Monte Carlo study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Claudius Gros, Luca F. Tocchio, Robert R\\\"uger, Roser Valent\\'i","submitted_at":"2013-11-25T22:17:07Z","abstract_excerpt":"We investigate the phase diagram of the square lattice bilayer Hubbard model at half filling with the variational Monte Carlo method for both the magnetic and the paramagnetic case as a function of interlayer hopping t_perp and on-site Coulomb repulsion U. With this study we resolve some discrepancies in previous calculations based on the dynamical mean field theory, and we are able to determine the nature of the phase transitions between metal, Mott insulator and band insulator. In the magnetic case we find only two phases: An antiferromagnetic Mott insulator at small t_perp for any value of "},"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":"1311.6504","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-25T22:17:07Z","cross_cats_sorted":[],"title_canon_sha256":"3522a45bf7ba143449bc3b2179e94a3566dcbe1e421755be2456805860a75310","abstract_canon_sha256":"ad60b3b1fec629e67a69684398f5793ce0f9723a45f878f608bcb756f91aa780"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:51.606445Z","signature_b64":"lQMXv/8lGqrepYphOj9A1QbumGLAuqL0yRKLbWCNSHdkiY4R8Dk57CdhbWbFhXR3Z2e/hCH2vBSgJNWtFH/6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f246ca12ebab2c2490e2a78f1159429eb1de59063b25856cee47c3f66a898fd5","last_reissued_at":"2026-05-18T02:56:51.605981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:51.605981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase diagram of the square lattice bilayer Hubbard model: a variational Monte Carlo study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Claudius Gros, Luca F. Tocchio, Robert R\\\"uger, Roser Valent\\'i","submitted_at":"2013-11-25T22:17:07Z","abstract_excerpt":"We investigate the phase diagram of the square lattice bilayer Hubbard model at half filling with the variational Monte Carlo method for both the magnetic and the paramagnetic case as a function of interlayer hopping t_perp and on-site Coulomb repulsion U. With this study we resolve some discrepancies in previous calculations based on the dynamical mean field theory, and we are able to determine the nature of the phase transitions between metal, Mott insulator and band insulator. In the magnetic case we find only two phases: An antiferromagnetic Mott insulator at small t_perp for any value of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6504","kind":"arxiv","version":2},"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":"1311.6504","created_at":"2026-05-18T02:56:51.606046+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.6504v2","created_at":"2026-05-18T02:56:51.606046+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6504","created_at":"2026-05-18T02:56:51.606046+00:00"},{"alias_kind":"pith_short_12","alias_value":"6JDMUEXLVMWC","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"6JDMUEXLVMWCJEHC","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"6JDMUEXL","created_at":"2026-05-18T12:27:36.564083+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/6JDMUEXLVMWCJEHCU6HRCWKCT2","json":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2.json","graph_json":"https://pith.science/api/pith-number/6JDMUEXLVMWCJEHCU6HRCWKCT2/graph.json","events_json":"https://pith.science/api/pith-number/6JDMUEXLVMWCJEHCU6HRCWKCT2/events.json","paper":"https://pith.science/paper/6JDMUEXL"},"agent_actions":{"view_html":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2","download_json":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2.json","view_paper":"https://pith.science/paper/6JDMUEXL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.6504&json=true","fetch_graph":"https://pith.science/api/pith-number/6JDMUEXLVMWCJEHCU6HRCWKCT2/graph.json","fetch_events":"https://pith.science/api/pith-number/6JDMUEXLVMWCJEHCU6HRCWKCT2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2/action/storage_attestation","attest_author":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2/action/author_attestation","sign_citation":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2/action/citation_signature","submit_replication":"https://pith.science/pith/6JDMUEXLVMWCJEHCU6HRCWKCT2/action/replication_record"}},"created_at":"2026-05-18T02:56:51.606046+00:00","updated_at":"2026-05-18T02:56:51.606046+00:00"}