{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:Y4B2QZAY7NSQCFW5W4RSJBVUNF","short_pith_number":"pith:Y4B2QZAY","schema_version":"1.0","canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","source":{"kind":"arxiv","id":"cond-mat/0006292","version":1},"attestation_state":"computed","paper":{"title":"Macroscopic quantum coherence in antiferromagnetic molecular magnets","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hui Hu, Jia-Jiong Xiong, Jia-Ling Zhu, Rong L\\\"u","submitted_at":"2000-06-20T07:04:49Z","abstract_excerpt":"The macroscopic quantum coherence in a biaxial antiferromagnetic molecular magnet in the presence of magnetic field acting parallel to its hard anisotropy axis is studied within the two-sublattice model. On the basis of instanton technique in the spin-coherent-state path-integral representation, both the rigorous Wentzel-Kramers-Brillouin exponent and preexponential factor for the ground-state tunnel splitting are obtained. We find that the quantum fluctuations around the classical paths can not only induce a new quantum phase previously reported by Chiolero and Loss (Phys. Rev. Lett. 80, 169 "},"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":"cond-mat/0006292","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d9d9fb4dda56a9da16bbee380de3312ac4ee993025b4ec024c3b75f5a94bbf50","abstract_canon_sha256":"30328446e3df8912c50dea0d70b1c3739beb4fa59bbb8004cbec586ad0002f14"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:46.829949Z","signature_b64":"y6NubJ+15KW+QTxmVagV4OzFIE6NhiqQ36JBBxjN+qssY19rkCgPTLIeIjKN1kq7symKwAD3hImQJYZMak1sCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","last_reissued_at":"2026-05-18T00:25:46.829413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:46.829413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroscopic quantum coherence in antiferromagnetic molecular magnets","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hui Hu, Jia-Jiong Xiong, Jia-Ling Zhu, Rong L\\\"u","submitted_at":"2000-06-20T07:04:49Z","abstract_excerpt":"The macroscopic quantum coherence in a biaxial antiferromagnetic molecular magnet in the presence of magnetic field acting parallel to its hard anisotropy axis is studied within the two-sublattice model. On the basis of instanton technique in the spin-coherent-state path-integral representation, both the rigorous Wentzel-Kramers-Brillouin exponent and preexponential factor for the ground-state tunnel splitting are obtained. We find that the quantum fluctuations around the classical paths can not only induce a new quantum phase previously reported by Chiolero and Loss (Phys. Rev. Lett. 80, 169 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0006292","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":"cond-mat/0006292","created_at":"2026-05-18T00:25:46.829513+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0006292v1","created_at":"2026-05-18T00:25:46.829513+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0006292","created_at":"2026-05-18T00:25:46.829513+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y4B2QZAY7NSQ","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y4B2QZAY7NSQCFW5","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y4B2QZAY","created_at":"2026-05-18T12:25:50.254431+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/Y4B2QZAY7NSQCFW5W4RSJBVUNF","json":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF.json","graph_json":"https://pith.science/api/pith-number/Y4B2QZAY7NSQCFW5W4RSJBVUNF/graph.json","events_json":"https://pith.science/api/pith-number/Y4B2QZAY7NSQCFW5W4RSJBVUNF/events.json","paper":"https://pith.science/paper/Y4B2QZAY"},"agent_actions":{"view_html":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF","download_json":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF.json","view_paper":"https://pith.science/paper/Y4B2QZAY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0006292&json=true","fetch_graph":"https://pith.science/api/pith-number/Y4B2QZAY7NSQCFW5W4RSJBVUNF/graph.json","fetch_events":"https://pith.science/api/pith-number/Y4B2QZAY7NSQCFW5W4RSJBVUNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/action/storage_attestation","attest_author":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/action/author_attestation","sign_citation":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/action/citation_signature","submit_replication":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/action/replication_record"}},"created_at":"2026-05-18T00:25:46.829513+00:00","updated_at":"2026-05-18T00:25:46.829513+00:00"}