{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:JRPTPQI2SPDQMTRPRWV7YVMILX","short_pith_number":"pith:JRPTPQI2","schema_version":"1.0","canonical_sha256":"4c5f37c11a93c7064e2f8dabfc55885dd8c9effa1fc0d25a5488fadfa98574c3","source":{"kind":"arxiv","id":"1503.05833","version":1},"attestation_state":"computed","paper":{"title":"Geometrically Enhanced Quantum Oscillatory Signal and Nonzero Berry's Phase in Indium Arsenide Surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Aurelien Manchon, Jian Sun, Jurgen Kosel, Sadamichi Maekawa, Xuhui Wang","submitted_at":"2015-03-19T16:32:55Z","abstract_excerpt":"In a system accommodating both surface and bulk conduction channels, a long-standing challenge is to extract weak Shubnikov-de Haas oscillation signal in the surface from a large background stemming from the bulk. Conventional methods to suppress the bulk conduction often involve doping, an intrusive approach, to reduce the bulk carrier density. Here we propose a geometric method, i.e. attaching a metal shunt to the indium arsenide epilayer, to redistribute current and thus enhance the oscillation-to-background ratio. This allows us, for the first time, to observe clear quantum oscillations an"},"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":"1503.05833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-19T16:32:55Z","cross_cats_sorted":[],"title_canon_sha256":"424cf4752f46c45b3d2ce6f02825011c3bb26e97f6d28f4420bb29d77bc29f04","abstract_canon_sha256":"88c5a118e1ec06dc49526dea1c93b405d935fd7c16231d468eac9fe3ae217e52"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:51.063092Z","signature_b64":"QX81BN196dvACemrFpwTr/CoGJUkYhYb2cdWZNWTuuAxxJr1oPfSav3WFknlNtxu5N7/C/LswZXQhwOw3TYzCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c5f37c11a93c7064e2f8dabfc55885dd8c9effa1fc0d25a5488fadfa98574c3","last_reissued_at":"2026-05-18T02:20:51.062382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:51.062382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Geometrically Enhanced Quantum Oscillatory Signal and Nonzero Berry's Phase in Indium Arsenide Surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Aurelien Manchon, Jian Sun, Jurgen Kosel, Sadamichi Maekawa, Xuhui Wang","submitted_at":"2015-03-19T16:32:55Z","abstract_excerpt":"In a system accommodating both surface and bulk conduction channels, a long-standing challenge is to extract weak Shubnikov-de Haas oscillation signal in the surface from a large background stemming from the bulk. Conventional methods to suppress the bulk conduction often involve doping, an intrusive approach, to reduce the bulk carrier density. Here we propose a geometric method, i.e. attaching a metal shunt to the indium arsenide epilayer, to redistribute current and thus enhance the oscillation-to-background ratio. This allows us, for the first time, to observe clear quantum oscillations an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05833","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":"1503.05833","created_at":"2026-05-18T02:20:51.062506+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.05833v1","created_at":"2026-05-18T02:20:51.062506+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05833","created_at":"2026-05-18T02:20:51.062506+00:00"},{"alias_kind":"pith_short_12","alias_value":"JRPTPQI2SPDQ","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_16","alias_value":"JRPTPQI2SPDQMTRP","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_8","alias_value":"JRPTPQI2","created_at":"2026-05-18T12:29:27.538025+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/JRPTPQI2SPDQMTRPRWV7YVMILX","json":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX.json","graph_json":"https://pith.science/api/pith-number/JRPTPQI2SPDQMTRPRWV7YVMILX/graph.json","events_json":"https://pith.science/api/pith-number/JRPTPQI2SPDQMTRPRWV7YVMILX/events.json","paper":"https://pith.science/paper/JRPTPQI2"},"agent_actions":{"view_html":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX","download_json":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX.json","view_paper":"https://pith.science/paper/JRPTPQI2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.05833&json=true","fetch_graph":"https://pith.science/api/pith-number/JRPTPQI2SPDQMTRPRWV7YVMILX/graph.json","fetch_events":"https://pith.science/api/pith-number/JRPTPQI2SPDQMTRPRWV7YVMILX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX/action/storage_attestation","attest_author":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX/action/author_attestation","sign_citation":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX/action/citation_signature","submit_replication":"https://pith.science/pith/JRPTPQI2SPDQMTRPRWV7YVMILX/action/replication_record"}},"created_at":"2026-05-18T02:20:51.062506+00:00","updated_at":"2026-05-18T02:20:51.062506+00:00"}