{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:BJFKVJVT3EP62U2C6ZOQORKBMW","short_pith_number":"pith:BJFKVJVT","schema_version":"1.0","canonical_sha256":"0a4aaaa6b3d91fed5342f65d07454165b429b67fd86fb48e3a299121a25899a3","source":{"kind":"arxiv","id":"0901.2729","version":1},"attestation_state":"computed","paper":{"title":"Negative lateral conductivity of hot electrons in a biased superlattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Hernandez-Cabrera, F.T. Vasko, P. Aceituno","submitted_at":"2009-01-18T19:37:28Z","abstract_excerpt":"Nonequilibrium electron distribution in a superlattice subjected to a homogeneous electric field (biased superlattice with equipopulated levels) is studied within the tight-binding approximation, taking into account the scattering by optical and acoustic phonons and by lateral disorder. It is found that the distribution versus the in-plane kinetic energy depends essentially on the ratio between the Bloch energy and the optical phonon energy. The in-plane conductivity is calculated for low-doped structures at temperatures 4.2 K and 20 K. The negative conductivity is found for bias voltages corr"},"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":"0901.2729","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-01-18T19:37:28Z","cross_cats_sorted":[],"title_canon_sha256":"16a5e532dfbb54127476fe7f930c370bd81aaf6c7a797838d477a9ccbc1c5fa8","abstract_canon_sha256":"efed489bf8ad529f4339cb703b0a2dd8236f63b15bac51b707dccb3026b635ea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:56.899976Z","signature_b64":"TS+hUZTIr/luX/5HcTDe2yeSBjAqjIrvVKR6k75hccdW5QIkpU0UA6Pf6mX3u6X1+ZpUo7WqQWsBKfwsIIwICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a4aaaa6b3d91fed5342f65d07454165b429b67fd86fb48e3a299121a25899a3","last_reissued_at":"2026-05-18T02:14:56.899362Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:56.899362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Negative lateral conductivity of hot electrons in a biased superlattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Hernandez-Cabrera, F.T. Vasko, P. Aceituno","submitted_at":"2009-01-18T19:37:28Z","abstract_excerpt":"Nonequilibrium electron distribution in a superlattice subjected to a homogeneous electric field (biased superlattice with equipopulated levels) is studied within the tight-binding approximation, taking into account the scattering by optical and acoustic phonons and by lateral disorder. It is found that the distribution versus the in-plane kinetic energy depends essentially on the ratio between the Bloch energy and the optical phonon energy. The in-plane conductivity is calculated for low-doped structures at temperatures 4.2 K and 20 K. The negative conductivity is found for bias voltages corr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.2729","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":"0901.2729","created_at":"2026-05-18T02:14:56.899444+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.2729v1","created_at":"2026-05-18T02:14:56.899444+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.2729","created_at":"2026-05-18T02:14:56.899444+00:00"},{"alias_kind":"pith_short_12","alias_value":"BJFKVJVT3EP6","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"BJFKVJVT3EP62U2C","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"BJFKVJVT","created_at":"2026-05-18T12:25:58.837520+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/BJFKVJVT3EP62U2C6ZOQORKBMW","json":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW.json","graph_json":"https://pith.science/api/pith-number/BJFKVJVT3EP62U2C6ZOQORKBMW/graph.json","events_json":"https://pith.science/api/pith-number/BJFKVJVT3EP62U2C6ZOQORKBMW/events.json","paper":"https://pith.science/paper/BJFKVJVT"},"agent_actions":{"view_html":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW","download_json":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW.json","view_paper":"https://pith.science/paper/BJFKVJVT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.2729&json=true","fetch_graph":"https://pith.science/api/pith-number/BJFKVJVT3EP62U2C6ZOQORKBMW/graph.json","fetch_events":"https://pith.science/api/pith-number/BJFKVJVT3EP62U2C6ZOQORKBMW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW/action/storage_attestation","attest_author":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW/action/author_attestation","sign_citation":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW/action/citation_signature","submit_replication":"https://pith.science/pith/BJFKVJVT3EP62U2C6ZOQORKBMW/action/replication_record"}},"created_at":"2026-05-18T02:14:56.899444+00:00","updated_at":"2026-05-18T02:14:56.899444+00:00"}