{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:US62EPT6TQ23C2IAATZGQ3Q3MG","short_pith_number":"pith:US62EPT6","schema_version":"1.0","canonical_sha256":"a4bda23e7e9c35b1690004f2686e1b619286836dc95c6a88a1439143bacd2a40","source":{"kind":"arxiv","id":"1801.03495","version":3},"attestation_state":"computed","paper":{"title":"Collisionless Transport Close to a Fermionic Quantum Critical Point in Dirac Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","hep-th"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bitan Roy, Vladimir Juricic","submitted_at":"2018-01-10T18:59:42Z","abstract_excerpt":"Quantum transport close to a critical point is a fundamental, but enigmatic problem due to fluctuations, persisting at all length scales. We report the scaling of optical conductivity (OC) in the \\emph{collisionless} regime ($\\hbar \\omega \\gg k_B T$) in the vicinity of a relativistic quantum critical point, separating two-dimensional ($d=2$) massless Dirac fermions from a fully gapped insulator or superconductor. Close to such critical point gapless fermionic and bosonic excitations are strongly coupled, leading to a \\emph{universal} suppression of the inter-band OC as well as of the Drude pea"},"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":"1801.03495","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-01-10T18:59:42Z","cross_cats_sorted":["cond-mat.str-el","hep-th"],"title_canon_sha256":"c0b4622c5ffcc2f8b8ed4a94da617cfb91735ba9d7591cbdf75fc0eafa57b423","abstract_canon_sha256":"237da2ee8eef79a889b5551f9b4ee15a354f47255ebe0df8e62b993dd3acf058"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:34.133269Z","signature_b64":"ZzWLTsB7RMpT+3kQzMWBKsgSfgCJ7KhvpDU69UinBg7KpPILrVxp7USSbd/jeki4AE7NPwn/aeu8D4ELaRrFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4bda23e7e9c35b1690004f2686e1b619286836dc95c6a88a1439143bacd2a40","last_reissued_at":"2026-05-18T00:04:34.132600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:34.132600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Collisionless Transport Close to a Fermionic Quantum Critical Point in Dirac Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","hep-th"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bitan Roy, Vladimir Juricic","submitted_at":"2018-01-10T18:59:42Z","abstract_excerpt":"Quantum transport close to a critical point is a fundamental, but enigmatic problem due to fluctuations, persisting at all length scales. We report the scaling of optical conductivity (OC) in the \\emph{collisionless} regime ($\\hbar \\omega \\gg k_B T$) in the vicinity of a relativistic quantum critical point, separating two-dimensional ($d=2$) massless Dirac fermions from a fully gapped insulator or superconductor. Close to such critical point gapless fermionic and bosonic excitations are strongly coupled, leading to a \\emph{universal} suppression of the inter-band OC as well as of the Drude pea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03495","kind":"arxiv","version":3},"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":"1801.03495","created_at":"2026-05-18T00:04:34.132688+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.03495v3","created_at":"2026-05-18T00:04:34.132688+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03495","created_at":"2026-05-18T00:04:34.132688+00:00"},{"alias_kind":"pith_short_12","alias_value":"US62EPT6TQ23","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"US62EPT6TQ23C2IA","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"US62EPT6","created_at":"2026-05-18T12:32:56.356000+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/US62EPT6TQ23C2IAATZGQ3Q3MG","json":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG.json","graph_json":"https://pith.science/api/pith-number/US62EPT6TQ23C2IAATZGQ3Q3MG/graph.json","events_json":"https://pith.science/api/pith-number/US62EPT6TQ23C2IAATZGQ3Q3MG/events.json","paper":"https://pith.science/paper/US62EPT6"},"agent_actions":{"view_html":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG","download_json":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG.json","view_paper":"https://pith.science/paper/US62EPT6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.03495&json=true","fetch_graph":"https://pith.science/api/pith-number/US62EPT6TQ23C2IAATZGQ3Q3MG/graph.json","fetch_events":"https://pith.science/api/pith-number/US62EPT6TQ23C2IAATZGQ3Q3MG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG/action/storage_attestation","attest_author":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG/action/author_attestation","sign_citation":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG/action/citation_signature","submit_replication":"https://pith.science/pith/US62EPT6TQ23C2IAATZGQ3Q3MG/action/replication_record"}},"created_at":"2026-05-18T00:04:34.132688+00:00","updated_at":"2026-05-18T00:04:34.132688+00:00"}