{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:55JWOUWMWHVGV6WDBWE33PH725","short_pith_number":"pith:55JWOUWM","schema_version":"1.0","canonical_sha256":"ef536752ccb1ea6afac30d89bdbcffd754980b68ded59e474b51858f7abcb5f2","source":{"kind":"arxiv","id":"1510.00470","version":1},"attestation_state":"computed","paper":{"title":"Optical Signatures of Weyl Points in TaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. J. Taylor, B. Xu, D. A. Yarotski, G. F. Chen, H. Xiao, J. Y. Liu, K. Wang, L. X. Zhao, R. P. Prasankumar, R. Yang, W. Zhang, X. G. Qiu, Y. M. Dai","submitted_at":"2015-10-02T02:11:16Z","abstract_excerpt":"We present a systematic study of both the temperature and frequency dependence of the optical response in TaAs, a material that has recently been realized to host the Weyl semimetal state. Our study reveals that the optical conductivity of TaAs features a narrow Drude response alongside a conspicuous linear dependence on frequency. The width of the Drude peak decreases upon cooling, following a $T^{2}$ temperature dependence which is expected for Weyl semimetals. Two linear components with distinct slopes dominate the 5-K optical conductivity. A comparison between our experimental results and "},"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":"1510.00470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-02T02:11:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e19efbf714373ed4a94bad97973dcffb1af966c9e185f19670f0377f287c07cc","abstract_canon_sha256":"9ab1dbf4fae6adca7c5d6776546fdf96c087177be1dac9c9330de57fa3873c8e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:09.412546Z","signature_b64":"kkFM21tEKQ5me5LoQHDDi8dTbwL1zL/jBpJHEBwB3VrVz0V59qo6r0lB2F5vcJZs50NaF2nJPU2mawyJy0EDDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef536752ccb1ea6afac30d89bdbcffd754980b68ded59e474b51858f7abcb5f2","last_reissued_at":"2026-05-18T01:18:09.411875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:09.411875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Signatures of Weyl Points in TaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. J. Taylor, B. Xu, D. A. Yarotski, G. F. Chen, H. Xiao, J. Y. Liu, K. Wang, L. X. Zhao, R. P. Prasankumar, R. Yang, W. Zhang, X. G. Qiu, Y. M. Dai","submitted_at":"2015-10-02T02:11:16Z","abstract_excerpt":"We present a systematic study of both the temperature and frequency dependence of the optical response in TaAs, a material that has recently been realized to host the Weyl semimetal state. Our study reveals that the optical conductivity of TaAs features a narrow Drude response alongside a conspicuous linear dependence on frequency. The width of the Drude peak decreases upon cooling, following a $T^{2}$ temperature dependence which is expected for Weyl semimetals. Two linear components with distinct slopes dominate the 5-K optical conductivity. A comparison between our experimental results and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00470","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":"1510.00470","created_at":"2026-05-18T01:18:09.411981+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.00470v1","created_at":"2026-05-18T01:18:09.411981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00470","created_at":"2026-05-18T01:18:09.411981+00:00"},{"alias_kind":"pith_short_12","alias_value":"55JWOUWMWHVG","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"55JWOUWMWHVGV6WD","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"55JWOUWM","created_at":"2026-05-18T12:29:05.191682+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/55JWOUWMWHVGV6WDBWE33PH725","json":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725.json","graph_json":"https://pith.science/api/pith-number/55JWOUWMWHVGV6WDBWE33PH725/graph.json","events_json":"https://pith.science/api/pith-number/55JWOUWMWHVGV6WDBWE33PH725/events.json","paper":"https://pith.science/paper/55JWOUWM"},"agent_actions":{"view_html":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725","download_json":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725.json","view_paper":"https://pith.science/paper/55JWOUWM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.00470&json=true","fetch_graph":"https://pith.science/api/pith-number/55JWOUWMWHVGV6WDBWE33PH725/graph.json","fetch_events":"https://pith.science/api/pith-number/55JWOUWMWHVGV6WDBWE33PH725/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725/action/storage_attestation","attest_author":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725/action/author_attestation","sign_citation":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725/action/citation_signature","submit_replication":"https://pith.science/pith/55JWOUWMWHVGV6WDBWE33PH725/action/replication_record"}},"created_at":"2026-05-18T01:18:09.411981+00:00","updated_at":"2026-05-18T01:18:09.411981+00:00"}