{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:IUZX6KGQ3VWSN34K26RZN52NIR","short_pith_number":"pith:IUZX6KGQ","schema_version":"1.0","canonical_sha256":"45337f28d0dd6d26ef8ad7a396f74d4462ca83fd885edf89f61a7a854b6d0287","source":{"kind":"arxiv","id":"1211.6850","version":2},"attestation_state":"computed","paper":{"title":"Phase separation of antiferromagnetic ground states in systems with imperfect nesting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A.L. Rakhmanov, A.O. Sboychakov, A.V. Rozhkov, Franco Nori","submitted_at":"2012-11-29T09:13:17Z","abstract_excerpt":"We analyze the phase diagram for a system of weakly-coupled electrons having an electron- and a hole-band with imperfect nesting. Namely, both bands have spherical Fermi surfaces, but their radii are slightly different, with a mismatch proportional to the doping. Such a model is used to describe: the antiferromagnetism of chromium and its alloys, pnictides, AA-stacked graphene bilayers, as well as other systems. Here we show that the uniform ground state of this model is unstable with respect to electronic phase separation in a wide range of model parameters. Physically, this instability occur"},"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":"1211.6850","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-11-29T09:13:17Z","cross_cats_sorted":[],"title_canon_sha256":"fbd67ea82661aba4f90ee06da1ac8ed44208c39338d5f0684e91ae77f2c99283","abstract_canon_sha256":"24f3cdd6673041d932275b16fb11c668ae9e82d1bce1c074ea608d55cf2fecab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:07.539938Z","signature_b64":"n6Ck8H9PoZn8UiZlm9hnPIiFVEAzWrHMF1CpRGqwje5nd29On2K5Zgra6eDfbqp3pvl71DGe5Q3gQBe1U055DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45337f28d0dd6d26ef8ad7a396f74d4462ca83fd885edf89f61a7a854b6d0287","last_reissued_at":"2026-05-18T03:32:07.539236Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:07.539236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase separation of antiferromagnetic ground states in systems with imperfect nesting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A.L. Rakhmanov, A.O. Sboychakov, A.V. Rozhkov, Franco Nori","submitted_at":"2012-11-29T09:13:17Z","abstract_excerpt":"We analyze the phase diagram for a system of weakly-coupled electrons having an electron- and a hole-band with imperfect nesting. Namely, both bands have spherical Fermi surfaces, but their radii are slightly different, with a mismatch proportional to the doping. Such a model is used to describe: the antiferromagnetism of chromium and its alloys, pnictides, AA-stacked graphene bilayers, as well as other systems. Here we show that the uniform ground state of this model is unstable with respect to electronic phase separation in a wide range of model parameters. Physically, this instability occur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6850","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":"1211.6850","created_at":"2026-05-18T03:32:07.539364+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.6850v2","created_at":"2026-05-18T03:32:07.539364+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6850","created_at":"2026-05-18T03:32:07.539364+00:00"},{"alias_kind":"pith_short_12","alias_value":"IUZX6KGQ3VWS","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"IUZX6KGQ3VWSN34K","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"IUZX6KGQ","created_at":"2026-05-18T12:27:09.501522+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/IUZX6KGQ3VWSN34K26RZN52NIR","json":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR.json","graph_json":"https://pith.science/api/pith-number/IUZX6KGQ3VWSN34K26RZN52NIR/graph.json","events_json":"https://pith.science/api/pith-number/IUZX6KGQ3VWSN34K26RZN52NIR/events.json","paper":"https://pith.science/paper/IUZX6KGQ"},"agent_actions":{"view_html":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR","download_json":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR.json","view_paper":"https://pith.science/paper/IUZX6KGQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.6850&json=true","fetch_graph":"https://pith.science/api/pith-number/IUZX6KGQ3VWSN34K26RZN52NIR/graph.json","fetch_events":"https://pith.science/api/pith-number/IUZX6KGQ3VWSN34K26RZN52NIR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR/action/storage_attestation","attest_author":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR/action/author_attestation","sign_citation":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR/action/citation_signature","submit_replication":"https://pith.science/pith/IUZX6KGQ3VWSN34K26RZN52NIR/action/replication_record"}},"created_at":"2026-05-18T03:32:07.539364+00:00","updated_at":"2026-05-18T03:32:07.539364+00:00"}