{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:PJ5FIMMLKS6V5GCKMFFFSTDBPE","short_pith_number":"pith:PJ5FIMML","schema_version":"1.0","canonical_sha256":"7a7a54318b54bd5e984a614a594c6179094bae0246f5ad897368092e82eac715","source":{"kind":"arxiv","id":"0910.1950","version":1},"attestation_state":"computed","paper":{"title":"Light-induced valley currents and magnetization in graphene rings","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.S. Moskalenko, J. Berakdar","submitted_at":"2009-10-10T22:19:01Z","abstract_excerpt":"We study the non-equilibrium dynamics in a mesoscopic graphene ring excited by picoseconds shaped electromagnetic pulses. We predict an ultrafast buildup of charge polarization, currents and orbital magnetization. Applying the light pulses identified here, non-equilibrium valley currents are generated in a graphene ring threaded by a stationary magnetic flux. We predict a finite graphene ring magnetization even for a vanishing charge current; the magnetization emerges due to the light-induced difference of the valley populations."},"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":"0910.1950","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-10T22:19:01Z","cross_cats_sorted":[],"title_canon_sha256":"8188e164dd940996eafb8f734db23e33a43f63f25ed6eb2719cf9da842391c6d","abstract_canon_sha256":"9f6dadd116b06323b70c8f032d5376d84c0ba373368fbfa78536d1feb9f512af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:15.239302Z","signature_b64":"NiVlMKW5nThIjoFxjafv+EKYAU2M5AP+loNlPZQJh/06IF3/32hD1INblDa4M+RsUCWWbIztVC3MYJwQM50fCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a7a54318b54bd5e984a614a594c6179094bae0246f5ad897368092e82eac715","last_reissued_at":"2026-05-18T03:52:15.238659Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:15.238659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Light-induced valley currents and magnetization in graphene rings","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.S. Moskalenko, J. Berakdar","submitted_at":"2009-10-10T22:19:01Z","abstract_excerpt":"We study the non-equilibrium dynamics in a mesoscopic graphene ring excited by picoseconds shaped electromagnetic pulses. We predict an ultrafast buildup of charge polarization, currents and orbital magnetization. Applying the light pulses identified here, non-equilibrium valley currents are generated in a graphene ring threaded by a stationary magnetic flux. We predict a finite graphene ring magnetization even for a vanishing charge current; the magnetization emerges due to the light-induced difference of the valley populations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1950","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":"0910.1950","created_at":"2026-05-18T03:52:15.238736+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.1950v1","created_at":"2026-05-18T03:52:15.238736+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1950","created_at":"2026-05-18T03:52:15.238736+00:00"},{"alias_kind":"pith_short_12","alias_value":"PJ5FIMMLKS6V","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"PJ5FIMMLKS6V5GCK","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"PJ5FIMML","created_at":"2026-05-18T12:26:01.383474+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/PJ5FIMMLKS6V5GCKMFFFSTDBPE","json":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE.json","graph_json":"https://pith.science/api/pith-number/PJ5FIMMLKS6V5GCKMFFFSTDBPE/graph.json","events_json":"https://pith.science/api/pith-number/PJ5FIMMLKS6V5GCKMFFFSTDBPE/events.json","paper":"https://pith.science/paper/PJ5FIMML"},"agent_actions":{"view_html":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE","download_json":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE.json","view_paper":"https://pith.science/paper/PJ5FIMML","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.1950&json=true","fetch_graph":"https://pith.science/api/pith-number/PJ5FIMMLKS6V5GCKMFFFSTDBPE/graph.json","fetch_events":"https://pith.science/api/pith-number/PJ5FIMMLKS6V5GCKMFFFSTDBPE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE/action/storage_attestation","attest_author":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE/action/author_attestation","sign_citation":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE/action/citation_signature","submit_replication":"https://pith.science/pith/PJ5FIMMLKS6V5GCKMFFFSTDBPE/action/replication_record"}},"created_at":"2026-05-18T03:52:15.238736+00:00","updated_at":"2026-05-18T03:52:15.238736+00:00"}