{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:IJYWSSZT3TXGKA4AMPROAFQHRH","short_pith_number":"pith:IJYWSSZT","schema_version":"1.0","canonical_sha256":"4271694b33dcee65038063e2e0160789ef352616210f9bd51753208a92596f7a","source":{"kind":"arxiv","id":"2111.10774","version":1},"attestation_state":"computed","paper":{"title":"Theory and computation of Hall scattering factor in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Feliciano Giustino, Francesco Macheda, Nicola Bonini, Samuel Ponc\\'e","submitted_at":"2021-11-21T09:27:41Z","abstract_excerpt":"The Hall scattering factor, $r$, is a key quantity for establishing carrier concentration and drift mobility from Hall measurements; in experiments it is usually assumed to be 1. In this paper we use a combination of analytical and \\textit{ab initio} modelling to determine $r$ in graphene. While at high carrier densities $r \\approx 1$ in a wide temperature range, at low doping the temperature dependence of $r$ is very strong with values as high as 4 below 300~K. These high values are due to the linear bands around the Dirac cone and the carrier scattering rates due to acoustic phonons. At high"},"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":"2111.10774","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-11-21T09:27:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2a3f29122fbe46e2c0f3266469a3d73878230388eaec4f20d1f7700f0b5ee822","abstract_canon_sha256":"fd0c6fe43427dc4d558d8f887a209a0f5cec0d94c09f4dbd862e65aad040b8bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:33:56.722457Z","signature_b64":"+kF8Ys79z4jJCphgBKsl6Kkeshdes7DO7l7vYNilmZKXV5R+AykBhafbEQQfBPeF3Dogem+lfcpSK4x3U+qODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4271694b33dcee65038063e2e0160789ef352616210f9bd51753208a92596f7a","last_reissued_at":"2026-07-05T03:33:56.721977Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:33:56.721977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theory and computation of Hall scattering factor in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Feliciano Giustino, Francesco Macheda, Nicola Bonini, Samuel Ponc\\'e","submitted_at":"2021-11-21T09:27:41Z","abstract_excerpt":"The Hall scattering factor, $r$, is a key quantity for establishing carrier concentration and drift mobility from Hall measurements; in experiments it is usually assumed to be 1. In this paper we use a combination of analytical and \\textit{ab initio} modelling to determine $r$ in graphene. While at high carrier densities $r \\approx 1$ in a wide temperature range, at low doping the temperature dependence of $r$ is very strong with values as high as 4 below 300~K. These high values are due to the linear bands around the Dirac cone and the carrier scattering rates due to acoustic phonons. At high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.10774","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.10774/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2111.10774","created_at":"2026-07-05T03:33:56.722031+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.10774v1","created_at":"2026-07-05T03:33:56.722031+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.10774","created_at":"2026-07-05T03:33:56.722031+00:00"},{"alias_kind":"pith_short_12","alias_value":"IJYWSSZT3TXG","created_at":"2026-07-05T03:33:56.722031+00:00"},{"alias_kind":"pith_short_16","alias_value":"IJYWSSZT3TXGKA4A","created_at":"2026-07-05T03:33:56.722031+00:00"},{"alias_kind":"pith_short_8","alias_value":"IJYWSSZT","created_at":"2026-07-05T03:33:56.722031+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/IJYWSSZT3TXGKA4AMPROAFQHRH","json":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH.json","graph_json":"https://pith.science/api/pith-number/IJYWSSZT3TXGKA4AMPROAFQHRH/graph.json","events_json":"https://pith.science/api/pith-number/IJYWSSZT3TXGKA4AMPROAFQHRH/events.json","paper":"https://pith.science/paper/IJYWSSZT"},"agent_actions":{"view_html":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH","download_json":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH.json","view_paper":"https://pith.science/paper/IJYWSSZT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.10774&json=true","fetch_graph":"https://pith.science/api/pith-number/IJYWSSZT3TXGKA4AMPROAFQHRH/graph.json","fetch_events":"https://pith.science/api/pith-number/IJYWSSZT3TXGKA4AMPROAFQHRH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH/action/storage_attestation","attest_author":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH/action/author_attestation","sign_citation":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH/action/citation_signature","submit_replication":"https://pith.science/pith/IJYWSSZT3TXGKA4AMPROAFQHRH/action/replication_record"}},"created_at":"2026-07-05T03:33:56.722031+00:00","updated_at":"2026-07-05T03:33:56.722031+00:00"}