{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:C5H24LHGLW7GGM2T2WD2C7NJNP","short_pith_number":"pith:C5H24LHG","schema_version":"1.0","canonical_sha256":"174fae2ce65dbe633353d587a17da96bc4d0e94d122cf2a426c2bd34a178b7f0","source":{"kind":"arxiv","id":"1103.3496","version":2},"attestation_state":"computed","paper":{"title":"Quantum-Classical Crossover and Apparent Metal-Insulator Transition in a Weakly Interacting 2D Fermi Liquid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Schmidt, C. Proust, G. Gervais, K. W. West, L.N. Pfeiffer, S. Das Sarma, Xiaoqing Zhou","submitted_at":"2011-03-17T19:48:02Z","abstract_excerpt":"We report the observation of a parallel magnetic field induced metal-insulator transition (MIT) in a high-mobility two-dimensional electron gas (2DEG) for which spin and localization physics most likely play no major role. The high-mobility metallic phase at low field is consistent with the established Fermi liquid transport theory including phonon scattering, whereas the insulating phase at higher field shows a large negative temperature dependence at resistances much smaller than the quantum of resistance, $h/e^2$. We argue that this observation is a direct manifestation of a quantum-classic"},"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":"1103.3496","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-03-17T19:48:02Z","cross_cats_sorted":[],"title_canon_sha256":"9ddd5bbc94923b4e8a597a52589899bf0f8ee17c4d0d04a5797228d67113f44d","abstract_canon_sha256":"1cadccea9099b32800a865febd4132e5b282f2af2f6cb7f656b3a97ae53ff29e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:18.401250Z","signature_b64":"51WBvCkJ97AjhEE6L81X7xnsOHrxuAVdoQ0YwpH+9GZ5B5iPBikMb1V1KJBRgq95j3YiP8mTnJNj382uxd3bDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"174fae2ce65dbe633353d587a17da96bc4d0e94d122cf2a426c2bd34a178b7f0","last_reissued_at":"2026-05-18T02:22:18.400578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:18.400578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum-Classical Crossover and Apparent Metal-Insulator Transition in a Weakly Interacting 2D Fermi Liquid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Schmidt, C. Proust, G. Gervais, K. W. West, L.N. Pfeiffer, S. Das Sarma, Xiaoqing Zhou","submitted_at":"2011-03-17T19:48:02Z","abstract_excerpt":"We report the observation of a parallel magnetic field induced metal-insulator transition (MIT) in a high-mobility two-dimensional electron gas (2DEG) for which spin and localization physics most likely play no major role. The high-mobility metallic phase at low field is consistent with the established Fermi liquid transport theory including phonon scattering, whereas the insulating phase at higher field shows a large negative temperature dependence at resistances much smaller than the quantum of resistance, $h/e^2$. We argue that this observation is a direct manifestation of a quantum-classic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3496","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":"1103.3496","created_at":"2026-05-18T02:22:18.400677+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.3496v2","created_at":"2026-05-18T02:22:18.400677+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3496","created_at":"2026-05-18T02:22:18.400677+00:00"},{"alias_kind":"pith_short_12","alias_value":"C5H24LHGLW7G","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"C5H24LHGLW7GGM2T","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"C5H24LHG","created_at":"2026-05-18T12:26:24.575870+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/C5H24LHGLW7GGM2T2WD2C7NJNP","json":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP.json","graph_json":"https://pith.science/api/pith-number/C5H24LHGLW7GGM2T2WD2C7NJNP/graph.json","events_json":"https://pith.science/api/pith-number/C5H24LHGLW7GGM2T2WD2C7NJNP/events.json","paper":"https://pith.science/paper/C5H24LHG"},"agent_actions":{"view_html":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP","download_json":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP.json","view_paper":"https://pith.science/paper/C5H24LHG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.3496&json=true","fetch_graph":"https://pith.science/api/pith-number/C5H24LHGLW7GGM2T2WD2C7NJNP/graph.json","fetch_events":"https://pith.science/api/pith-number/C5H24LHGLW7GGM2T2WD2C7NJNP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP/action/storage_attestation","attest_author":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP/action/author_attestation","sign_citation":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP/action/citation_signature","submit_replication":"https://pith.science/pith/C5H24LHGLW7GGM2T2WD2C7NJNP/action/replication_record"}},"created_at":"2026-05-18T02:22:18.400677+00:00","updated_at":"2026-05-18T02:22:18.400677+00:00"}