{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:WGPZECBROXHUV7U5TSRIPIK6WD","short_pith_number":"pith:WGPZECBR","schema_version":"1.0","canonical_sha256":"b19f92083175cf4afe9d9ca287a15eb0c3527a52bd6732084592a9e1dc2d2820","source":{"kind":"arxiv","id":"1201.4913","version":2},"attestation_state":"computed","paper":{"title":"A variational method in the problem of screening an external charge in strongly correlated metals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Arkady Shekhter, C.M. Varma, G.G. Guzm\\'an-Verri","submitted_at":"2012-01-24T04:11:46Z","abstract_excerpt":"We describe a variational calculation for the problem of screening of a point charge in a layered correlated metal for dopings close to the Mott transition where the screening is non-linear due to the proximity to the incompressible insulating state. We find that external charge can induce locally incompressible regions and that the non-linear dependence of the screening on density can induce overscreening in the nearest nearby layers while preserving overall charge neutrality."},"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":"1201.4913","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-24T04:11:46Z","cross_cats_sorted":[],"title_canon_sha256":"e507051a5bbebd81f184397c7a3be0d568243c138b2ba65d9334100d33766eec","abstract_canon_sha256":"05fcc94a6c9ce907ad0dd0e6cd992f15127e61c45cd146b4e7c103b842f808e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:30.519129Z","signature_b64":"LVu9lObSrP1W3UU4l9FwhHzyAGdyLYu+YuiuRmeJh9qMZNDYCjzI5l9VPpl2OUPDbrAVZICmt+nSzXf8ku3PDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b19f92083175cf4afe9d9ca287a15eb0c3527a52bd6732084592a9e1dc2d2820","last_reissued_at":"2026-05-18T03:14:30.518651Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:30.518651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A variational method in the problem of screening an external charge in strongly correlated metals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Arkady Shekhter, C.M. Varma, G.G. Guzm\\'an-Verri","submitted_at":"2012-01-24T04:11:46Z","abstract_excerpt":"We describe a variational calculation for the problem of screening of a point charge in a layered correlated metal for dopings close to the Mott transition where the screening is non-linear due to the proximity to the incompressible insulating state. We find that external charge can induce locally incompressible regions and that the non-linear dependence of the screening on density can induce overscreening in the nearest nearby layers while preserving overall charge neutrality."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4913","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":"1201.4913","created_at":"2026-05-18T03:14:30.518727+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.4913v2","created_at":"2026-05-18T03:14:30.518727+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4913","created_at":"2026-05-18T03:14:30.518727+00:00"},{"alias_kind":"pith_short_12","alias_value":"WGPZECBROXHU","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"WGPZECBROXHUV7U5","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"WGPZECBR","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/WGPZECBROXHUV7U5TSRIPIK6WD","json":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD.json","graph_json":"https://pith.science/api/pith-number/WGPZECBROXHUV7U5TSRIPIK6WD/graph.json","events_json":"https://pith.science/api/pith-number/WGPZECBROXHUV7U5TSRIPIK6WD/events.json","paper":"https://pith.science/paper/WGPZECBR"},"agent_actions":{"view_html":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD","download_json":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD.json","view_paper":"https://pith.science/paper/WGPZECBR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.4913&json=true","fetch_graph":"https://pith.science/api/pith-number/WGPZECBROXHUV7U5TSRIPIK6WD/graph.json","fetch_events":"https://pith.science/api/pith-number/WGPZECBROXHUV7U5TSRIPIK6WD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD/action/storage_attestation","attest_author":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD/action/author_attestation","sign_citation":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD/action/citation_signature","submit_replication":"https://pith.science/pith/WGPZECBROXHUV7U5TSRIPIK6WD/action/replication_record"}},"created_at":"2026-05-18T03:14:30.518727+00:00","updated_at":"2026-05-18T03:14:30.518727+00:00"}