{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:6CJGOUHFWF3EGPHS2SUOUNQCCZ","short_pith_number":"pith:6CJGOUHF","schema_version":"1.0","canonical_sha256":"f0926750e5b176433cf2d4a8ea3602165ede1f7d6eafc836759097d58d095a63","source":{"kind":"arxiv","id":"1902.07124","version":1},"attestation_state":"computed","paper":{"title":"Direct Determination of Band Gap Renormalization in Photo-Excited Monolayer MoS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Fang Liu, Jue Wang, Kameron R. Hansen, Mark Ziffer, Xiaoyang Zhu","submitted_at":"2019-02-19T16:31:04Z","abstract_excerpt":"A key feature of monolayer semiconductors, such as transition-metal dichalcogenides, is the poorly screened Coulomb potential, which leads to large exciton binding energy (Eb) and strong renormalization of the quasiparticle bandgap (Eg) by carriers. The latter has been difficult to determine due to cancellation in changes of Eb and Eg, resulting in little change in optical transition energy at different carrier densities. Here we quantify bandgap renormalization in macroscopic single crystal MoS2 monolayers on SiO2 using time and angle resolved photoemission spectroscopy (TR-ARPES). At excitat"},"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":"1902.07124","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-02-19T16:31:04Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7ba70c168d99fff39e023e3d6529d08eb125f3db8ea7860d5221e5c7d7ee4920","abstract_canon_sha256":"494ae8e81f0a00ae9e57211999d6f3c59d5d95f92da41005a8716ce17a65f756"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:23.633264Z","signature_b64":"tZajo1QkeJ1pDFPvNDPXeH3xHRdLuBFnPszD5Qh8ytT+B7+SkqnRk+KfJYQco3LhkuHEoCUzABQIxfsETt/DBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0926750e5b176433cf2d4a8ea3602165ede1f7d6eafc836759097d58d095a63","last_reissued_at":"2026-05-17T23:42:23.632643Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:23.632643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Determination of Band Gap Renormalization in Photo-Excited Monolayer MoS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Fang Liu, Jue Wang, Kameron R. Hansen, Mark Ziffer, Xiaoyang Zhu","submitted_at":"2019-02-19T16:31:04Z","abstract_excerpt":"A key feature of monolayer semiconductors, such as transition-metal dichalcogenides, is the poorly screened Coulomb potential, which leads to large exciton binding energy (Eb) and strong renormalization of the quasiparticle bandgap (Eg) by carriers. The latter has been difficult to determine due to cancellation in changes of Eb and Eg, resulting in little change in optical transition energy at different carrier densities. Here we quantify bandgap renormalization in macroscopic single crystal MoS2 monolayers on SiO2 using time and angle resolved photoemission spectroscopy (TR-ARPES). At excitat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07124","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":"1902.07124","created_at":"2026-05-17T23:42:23.632742+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.07124v1","created_at":"2026-05-17T23:42:23.632742+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07124","created_at":"2026-05-17T23:42:23.632742+00:00"},{"alias_kind":"pith_short_12","alias_value":"6CJGOUHFWF3E","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"6CJGOUHFWF3EGPHS","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"6CJGOUHF","created_at":"2026-05-18T12:33:10.108867+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/6CJGOUHFWF3EGPHS2SUOUNQCCZ","json":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ.json","graph_json":"https://pith.science/api/pith-number/6CJGOUHFWF3EGPHS2SUOUNQCCZ/graph.json","events_json":"https://pith.science/api/pith-number/6CJGOUHFWF3EGPHS2SUOUNQCCZ/events.json","paper":"https://pith.science/paper/6CJGOUHF"},"agent_actions":{"view_html":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ","download_json":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ.json","view_paper":"https://pith.science/paper/6CJGOUHF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.07124&json=true","fetch_graph":"https://pith.science/api/pith-number/6CJGOUHFWF3EGPHS2SUOUNQCCZ/graph.json","fetch_events":"https://pith.science/api/pith-number/6CJGOUHFWF3EGPHS2SUOUNQCCZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ/action/storage_attestation","attest_author":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ/action/author_attestation","sign_citation":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ/action/citation_signature","submit_replication":"https://pith.science/pith/6CJGOUHFWF3EGPHS2SUOUNQCCZ/action/replication_record"}},"created_at":"2026-05-17T23:42:23.632742+00:00","updated_at":"2026-05-17T23:42:23.632742+00:00"}