{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:AMFFBF6WXQYRVKJ23LWDP6T3AB","short_pith_number":"pith:AMFFBF6W","schema_version":"1.0","canonical_sha256":"030a5097d6bc311aa93adaec37fa7b0042bcfa75d722d16da1f5227038101028","source":{"kind":"arxiv","id":"0901.2326","version":1},"attestation_state":"computed","paper":{"title":"Edge states in graphene quantum dots: Fractional quantum Hall effect analogies and differences at zero magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","nucl-th","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Constantine Yannouleas, Igor Romanovsky, Uzi Landman","submitted_at":"2009-01-15T19:11:52Z","abstract_excerpt":"We investigate the way that the degenerate manifold of midgap edge states in quasicircular graphene quantum dots with zig-zag boundaries supports, under free-magnetic-field conditions, strongly correlated many-body behavior analogous to the fractional quantum Hall effect (FQHE), familiar from the case of semiconductor heterostructures in high magnetic fields. Systematic exact-diagonalization (EXD) numerical studies are presented for the first time for 5 <= N <= 8 fully spin-polarized electrons and for total angular momenta in the range of N(N-1)/2 <= L <= 150. We present a derivation of a rota"},"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":"0901.2326","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-01-15T19:11:52Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","nucl-th","quant-ph"],"title_canon_sha256":"59692356bdc6e5b4accaa1b9927614db1afd5774f0e63dd842f23f27c0c48006","abstract_canon_sha256":"3bf5c79d21d89d003e256e3aa7685aba30117fc5a35dcf4ae16d88765bb9109d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:13.329417Z","signature_b64":"suksXXDwy2CPcM1GYNOBw2oWBYXE/zc2fu50lnwU90HxyBdolytr1I6nbrzbnU33sZayQ609YS93EHDn+5NjDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"030a5097d6bc311aa93adaec37fa7b0042bcfa75d722d16da1f5227038101028","last_reissued_at":"2026-05-18T01:05:13.328715Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:13.328715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Edge states in graphene quantum dots: Fractional quantum Hall effect analogies and differences at zero magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","nucl-th","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Constantine Yannouleas, Igor Romanovsky, Uzi Landman","submitted_at":"2009-01-15T19:11:52Z","abstract_excerpt":"We investigate the way that the degenerate manifold of midgap edge states in quasicircular graphene quantum dots with zig-zag boundaries supports, under free-magnetic-field conditions, strongly correlated many-body behavior analogous to the fractional quantum Hall effect (FQHE), familiar from the case of semiconductor heterostructures in high magnetic fields. Systematic exact-diagonalization (EXD) numerical studies are presented for the first time for 5 <= N <= 8 fully spin-polarized electrons and for total angular momenta in the range of N(N-1)/2 <= L <= 150. We present a derivation of a rota"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.2326","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":"0901.2326","created_at":"2026-05-18T01:05:13.328815+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.2326v1","created_at":"2026-05-18T01:05:13.328815+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.2326","created_at":"2026-05-18T01:05:13.328815+00:00"},{"alias_kind":"pith_short_12","alias_value":"AMFFBF6WXQYR","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"AMFFBF6WXQYRVKJ2","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"AMFFBF6W","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/AMFFBF6WXQYRVKJ23LWDP6T3AB","json":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB.json","graph_json":"https://pith.science/api/pith-number/AMFFBF6WXQYRVKJ23LWDP6T3AB/graph.json","events_json":"https://pith.science/api/pith-number/AMFFBF6WXQYRVKJ23LWDP6T3AB/events.json","paper":"https://pith.science/paper/AMFFBF6W"},"agent_actions":{"view_html":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB","download_json":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB.json","view_paper":"https://pith.science/paper/AMFFBF6W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.2326&json=true","fetch_graph":"https://pith.science/api/pith-number/AMFFBF6WXQYRVKJ23LWDP6T3AB/graph.json","fetch_events":"https://pith.science/api/pith-number/AMFFBF6WXQYRVKJ23LWDP6T3AB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB/action/storage_attestation","attest_author":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB/action/author_attestation","sign_citation":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB/action/citation_signature","submit_replication":"https://pith.science/pith/AMFFBF6WXQYRVKJ23LWDP6T3AB/action/replication_record"}},"created_at":"2026-05-18T01:05:13.328815+00:00","updated_at":"2026-05-18T01:05:13.328815+00:00"}