{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:VKMPQFCBWJALCBFZUYDAJNAFON","short_pith_number":"pith:VKMPQFCB","schema_version":"1.0","canonical_sha256":"aa98f81441b240b104b9a60604b405737eb51236e5a55a8381da7ff0635dd4a2","source":{"kind":"arxiv","id":"1204.4728","version":3},"attestation_state":"computed","paper":{"title":"Topological Invariant and Quantum Spin Models from Magnetic \\pi\\ Fluxes in Correlated Topological Insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"F. F. Assaad, M. Bercx, M. Hohenadler","submitted_at":"2012-04-20T20:00:09Z","abstract_excerpt":"The adiabatic insertion of a \\pi flux into a quantum spin Hall insulator gives rise to localized spin and charge fluxon states. We demonstrate that \\pi fluxes can be used in exact quantum Monte Carlo simulations to identify a correlated Z_2 topological insulator using the example of the Kane-Mele-Hubbard model. In the presence of repulsive interactions, a \\pi flux gives rise to a Kramers doublet of spinon states with a Curie law signature in the magnetic susceptibility. Electronic correlations also provide a bosonic mode of magnetic excitons with tunable energy that act as exchange particles a"},"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":"1204.4728","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-04-20T20:00:09Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d9825438878b3383097e54d17d4f2cef23440b1449fd77353c251af7f2468080","abstract_canon_sha256":"0c58b42bd2a47073176ec4e5051215453a4a67d47afbe53799539a68fc431870"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:17.089807Z","signature_b64":"xPGpY5YDO5V2I+pmic0GOXsbKkVGlQl8B93IMTAgeO5p8uqK7xYU/diIqMOUCM4Nw/VFNAk1HEwfX8Wt5yK7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa98f81441b240b104b9a60604b405737eb51236e5a55a8381da7ff0635dd4a2","last_reissued_at":"2026-05-18T03:32:17.089002Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:17.089002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological Invariant and Quantum Spin Models from Magnetic \\pi\\ Fluxes in Correlated Topological Insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"F. F. Assaad, M. Bercx, M. Hohenadler","submitted_at":"2012-04-20T20:00:09Z","abstract_excerpt":"The adiabatic insertion of a \\pi flux into a quantum spin Hall insulator gives rise to localized spin and charge fluxon states. We demonstrate that \\pi fluxes can be used in exact quantum Monte Carlo simulations to identify a correlated Z_2 topological insulator using the example of the Kane-Mele-Hubbard model. In the presence of repulsive interactions, a \\pi flux gives rise to a Kramers doublet of spinon states with a Curie law signature in the magnetic susceptibility. Electronic correlations also provide a bosonic mode of magnetic excitons with tunable energy that act as exchange particles a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4728","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":"1204.4728","created_at":"2026-05-18T03:32:17.089115+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.4728v3","created_at":"2026-05-18T03:32:17.089115+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4728","created_at":"2026-05-18T03:32:17.089115+00:00"},{"alias_kind":"pith_short_12","alias_value":"VKMPQFCBWJAL","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"VKMPQFCBWJALCBFZ","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"VKMPQFCB","created_at":"2026-05-18T12:27:25.539911+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/VKMPQFCBWJALCBFZUYDAJNAFON","json":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON.json","graph_json":"https://pith.science/api/pith-number/VKMPQFCBWJALCBFZUYDAJNAFON/graph.json","events_json":"https://pith.science/api/pith-number/VKMPQFCBWJALCBFZUYDAJNAFON/events.json","paper":"https://pith.science/paper/VKMPQFCB"},"agent_actions":{"view_html":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON","download_json":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON.json","view_paper":"https://pith.science/paper/VKMPQFCB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.4728&json=true","fetch_graph":"https://pith.science/api/pith-number/VKMPQFCBWJALCBFZUYDAJNAFON/graph.json","fetch_events":"https://pith.science/api/pith-number/VKMPQFCBWJALCBFZUYDAJNAFON/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON/action/storage_attestation","attest_author":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON/action/author_attestation","sign_citation":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON/action/citation_signature","submit_replication":"https://pith.science/pith/VKMPQFCBWJALCBFZUYDAJNAFON/action/replication_record"}},"created_at":"2026-05-18T03:32:17.089115+00:00","updated_at":"2026-05-18T03:32:17.089115+00:00"}