{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:A4F73TEYKCSAEQBATWG3PUIQKC","short_pith_number":"pith:A4F73TEY","schema_version":"1.0","canonical_sha256":"070bfdcc9850a40240209d8db7d11050bc64c4e5d89c23eee50933d3dcdd500f","source":{"kind":"arxiv","id":"0911.0890","version":3},"attestation_state":"computed","paper":{"title":"Phase diagram of the hardcore Bose-Hubbard model on a checkerboard superlattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Itay Hen, Marcos Rigol, M. Iskin","submitted_at":"2009-11-04T17:34:23Z","abstract_excerpt":"We obtain the complete phase diagram of the hardcore Bose-Hubbard model in the presence of a period-two superlattice in two and three dimensions. First we acquire the phase boundaries between the superfluid phase and the `trivial' insulating phases of the model (the completely-empty and completely-filled lattices) analytically. Next, the boundary between the superfluid phase and the half-filled Mott-insulating phase is obtained numerically, using the stochastic series expansion (SSE) algorithm followed by finite-size scaling. We also compare our numerical results against the predictions of sev"},"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":"0911.0890","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-04T17:34:23Z","cross_cats_sorted":["cond-mat.stat-mech","cond-mat.str-el"],"title_canon_sha256":"2e99b040dd01797e3b7abbf761d247dcac943da3b6c297905d9b21a73e58c75b","abstract_canon_sha256":"8b1c3119353b1d11c74f3eb53af12e18188427d4fcdbb4566bf88e679198e820"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:36.774547Z","signature_b64":"vBZ3dOZ+ag/VrRDN4DAO6ldGy1fnJO+UM5GX6QKd8clEEjYRQ2mrAGHk/qrEdRWeDChjgZpGheGNytM/Q+ggBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"070bfdcc9850a40240209d8db7d11050bc64c4e5d89c23eee50933d3dcdd500f","last_reissued_at":"2026-05-18T04:41:36.774120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:36.774120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase diagram of the hardcore Bose-Hubbard model on a checkerboard superlattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Itay Hen, Marcos Rigol, M. Iskin","submitted_at":"2009-11-04T17:34:23Z","abstract_excerpt":"We obtain the complete phase diagram of the hardcore Bose-Hubbard model in the presence of a period-two superlattice in two and three dimensions. First we acquire the phase boundaries between the superfluid phase and the `trivial' insulating phases of the model (the completely-empty and completely-filled lattices) analytically. Next, the boundary between the superfluid phase and the half-filled Mott-insulating phase is obtained numerically, using the stochastic series expansion (SSE) algorithm followed by finite-size scaling. We also compare our numerical results against the predictions of sev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0890","kind":"arxiv","version":3},"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":"0911.0890","created_at":"2026-05-18T04:41:36.774181+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.0890v3","created_at":"2026-05-18T04:41:36.774181+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0890","created_at":"2026-05-18T04:41:36.774181+00:00"},{"alias_kind":"pith_short_12","alias_value":"A4F73TEYKCSA","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"A4F73TEYKCSAEQBA","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"A4F73TEY","created_at":"2026-05-18T12:25:58.837520+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.18705","citing_title":"Conformal Data for the $O(2)$ Wilson-Fisher CFT in $(2+1)$-Dimensional Spacetime from Exact Diagonalization and Matrix Product States on the Fuzzy Sphere","ref_index":67,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC","json":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC.json","graph_json":"https://pith.science/api/pith-number/A4F73TEYKCSAEQBATWG3PUIQKC/graph.json","events_json":"https://pith.science/api/pith-number/A4F73TEYKCSAEQBATWG3PUIQKC/events.json","paper":"https://pith.science/paper/A4F73TEY"},"agent_actions":{"view_html":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC","download_json":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC.json","view_paper":"https://pith.science/paper/A4F73TEY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.0890&json=true","fetch_graph":"https://pith.science/api/pith-number/A4F73TEYKCSAEQBATWG3PUIQKC/graph.json","fetch_events":"https://pith.science/api/pith-number/A4F73TEYKCSAEQBATWG3PUIQKC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC/action/storage_attestation","attest_author":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC/action/author_attestation","sign_citation":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC/action/citation_signature","submit_replication":"https://pith.science/pith/A4F73TEYKCSAEQBATWG3PUIQKC/action/replication_record"}},"created_at":"2026-05-18T04:41:36.774181+00:00","updated_at":"2026-05-18T04:41:36.774181+00:00"}