{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4MV3WIFJBRHXE7NC2XY6DP325X","short_pith_number":"pith:4MV3WIFJ","schema_version":"1.0","canonical_sha256":"e32bbb20a90c4f727da2d5f1e1bf7aedd198be6e93195df9cafb206a396bf9bb","source":{"kind":"arxiv","id":"1502.02573","version":1},"attestation_state":"computed","paper":{"title":"Valley contrasting chiral phonons in monolayer hexagonal lattices","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Lifa Zhang, Qian Niu","submitted_at":"2015-02-09T17:36:51Z","abstract_excerpt":"In monolayer hexagonal lattices, two inequivalent valleys appear in the Brillouin zone. With inversion symmetry breaking, we find chiral phonons with valley contrasting circular polarization and ionic magnetic moment. At valley centers, there is a three-fold rotational symmetry endowing phonons with a quantized pseudo angular momentum, which includes spin and orbital parts. From conservation of the pseudo angular momentum, crystal momentum and energy, selection rules in intervalley scattering of electrons by phonons are obtained. The chiral valley phonons are verified and the selection rules a"},"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":"1502.02573","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-09T17:36:51Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fceac0dc9cd07d69c02d264f2841fe5412b93bf4721f887474e6d676817ec42d","abstract_canon_sha256":"2637d782f214e42f2a9dea6abaf09771e6f7dab34142e5a14edd94cac4245740"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:06.326245Z","signature_b64":"1LEf4lGuxxbRAChbm5ZJwRa1AZ7zWVXNkc3aEHMlIaVn4uRdnoJ7UFwKR/CFOy0GS8LH5eLF9J/cFTfE+PHSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32bbb20a90c4f727da2d5f1e1bf7aedd198be6e93195df9cafb206a396bf9bb","last_reissued_at":"2026-05-18T01:33:06.325826Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:06.325826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Valley contrasting chiral phonons in monolayer hexagonal lattices","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Lifa Zhang, Qian Niu","submitted_at":"2015-02-09T17:36:51Z","abstract_excerpt":"In monolayer hexagonal lattices, two inequivalent valleys appear in the Brillouin zone. With inversion symmetry breaking, we find chiral phonons with valley contrasting circular polarization and ionic magnetic moment. At valley centers, there is a three-fold rotational symmetry endowing phonons with a quantized pseudo angular momentum, which includes spin and orbital parts. From conservation of the pseudo angular momentum, crystal momentum and energy, selection rules in intervalley scattering of electrons by phonons are obtained. The chiral valley phonons are verified and the selection rules a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02573","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":"1502.02573","created_at":"2026-05-18T01:33:06.325913+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.02573v1","created_at":"2026-05-18T01:33:06.325913+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02573","created_at":"2026-05-18T01:33:06.325913+00:00"},{"alias_kind":"pith_short_12","alias_value":"4MV3WIFJBRHX","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4MV3WIFJBRHXE7NC","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4MV3WIFJ","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/4MV3WIFJBRHXE7NC2XY6DP325X","json":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X.json","graph_json":"https://pith.science/api/pith-number/4MV3WIFJBRHXE7NC2XY6DP325X/graph.json","events_json":"https://pith.science/api/pith-number/4MV3WIFJBRHXE7NC2XY6DP325X/events.json","paper":"https://pith.science/paper/4MV3WIFJ"},"agent_actions":{"view_html":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X","download_json":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X.json","view_paper":"https://pith.science/paper/4MV3WIFJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.02573&json=true","fetch_graph":"https://pith.science/api/pith-number/4MV3WIFJBRHXE7NC2XY6DP325X/graph.json","fetch_events":"https://pith.science/api/pith-number/4MV3WIFJBRHXE7NC2XY6DP325X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X/action/storage_attestation","attest_author":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X/action/author_attestation","sign_citation":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X/action/citation_signature","submit_replication":"https://pith.science/pith/4MV3WIFJBRHXE7NC2XY6DP325X/action/replication_record"}},"created_at":"2026-05-18T01:33:06.325913+00:00","updated_at":"2026-05-18T01:33:06.325913+00:00"}