{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:3QHR3UY2XFAEB5LHNP2UNBFPJE","short_pith_number":"pith:3QHR3UY2","schema_version":"1.0","canonical_sha256":"dc0f1dd31ab94040f5676bf54684af49120bd4fb2a441d6f0eece094d8af3a2a","source":{"kind":"arxiv","id":"1112.5783","version":2},"attestation_state":"computed","paper":{"title":"Quantum phase transitions in the Kondo-necklace model: Perturbative continuous unitary transformation approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"A. Langari, A. T. Rezakhani, M. Kargarian, M. Rahimi Movassagh, N. Ghassemi, S. Hemmatiyan","submitted_at":"2011-12-25T16:07:14Z","abstract_excerpt":"The Kondo-necklace model can describe magnetic low-energy limit of strongly correlated heavy fermion materials. There exist multiple energy scales in this model corresponding to each phase of the system. Here, we study quantum phase transition between the Kondo-singlet phase and the antiferromagnetic long-range ordered phase, and show the effect of anisotropies in terms of quantum information properties and vanishing energy gap. We employ the \"perturbative continuous unitary transformations\" approach to calculate the energy gap and spin-spin correlations for the model in the thermodynamic limi"},"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":"1112.5783","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-12-25T16:07:14Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"7b466a0536bca8ae70147a0b37d21dd75cffa72a04f3bf3363117625c7883618","abstract_canon_sha256":"8ea03fe767d4ae1e8867d15c4645ccc9976ac7ed3c186f5a4275f277d2933257"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:42.853260Z","signature_b64":"fhynNvdoEQ3HRiaDAQijibGbQqoCEIDuwOVEOnJMU1rAhWSsipxhvRbLEA+nnzL8uCUUorarEzolfsBvQe7WDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc0f1dd31ab94040f5676bf54684af49120bd4fb2a441d6f0eece094d8af3a2a","last_reissued_at":"2026-05-18T02:19:42.852809Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:42.852809Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum phase transitions in the Kondo-necklace model: Perturbative continuous unitary transformation approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"A. Langari, A. T. Rezakhani, M. Kargarian, M. Rahimi Movassagh, N. Ghassemi, S. Hemmatiyan","submitted_at":"2011-12-25T16:07:14Z","abstract_excerpt":"The Kondo-necklace model can describe magnetic low-energy limit of strongly correlated heavy fermion materials. There exist multiple energy scales in this model corresponding to each phase of the system. Here, we study quantum phase transition between the Kondo-singlet phase and the antiferromagnetic long-range ordered phase, and show the effect of anisotropies in terms of quantum information properties and vanishing energy gap. We employ the \"perturbative continuous unitary transformations\" approach to calculate the energy gap and spin-spin correlations for the model in the thermodynamic limi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5783","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":"1112.5783","created_at":"2026-05-18T02:19:42.852869+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.5783v2","created_at":"2026-05-18T02:19:42.852869+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5783","created_at":"2026-05-18T02:19:42.852869+00:00"},{"alias_kind":"pith_short_12","alias_value":"3QHR3UY2XFAE","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"3QHR3UY2XFAEB5LH","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"3QHR3UY2","created_at":"2026-05-18T12:26:18.847500+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/3QHR3UY2XFAEB5LHNP2UNBFPJE","json":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE.json","graph_json":"https://pith.science/api/pith-number/3QHR3UY2XFAEB5LHNP2UNBFPJE/graph.json","events_json":"https://pith.science/api/pith-number/3QHR3UY2XFAEB5LHNP2UNBFPJE/events.json","paper":"https://pith.science/paper/3QHR3UY2"},"agent_actions":{"view_html":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE","download_json":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE.json","view_paper":"https://pith.science/paper/3QHR3UY2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.5783&json=true","fetch_graph":"https://pith.science/api/pith-number/3QHR3UY2XFAEB5LHNP2UNBFPJE/graph.json","fetch_events":"https://pith.science/api/pith-number/3QHR3UY2XFAEB5LHNP2UNBFPJE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE/action/storage_attestation","attest_author":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE/action/author_attestation","sign_citation":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE/action/citation_signature","submit_replication":"https://pith.science/pith/3QHR3UY2XFAEB5LHNP2UNBFPJE/action/replication_record"}},"created_at":"2026-05-18T02:19:42.852869+00:00","updated_at":"2026-05-18T02:19:42.852869+00:00"}