{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:JZQ5JUT7UR2UWKHHVB3EVUTKZL","short_pith_number":"pith:JZQ5JUT7","schema_version":"1.0","canonical_sha256":"4e61d4d27fa4754b28e7a8764ad26acaca10e9a201dc68cedaa425ec3f07dee8","source":{"kind":"arxiv","id":"2605.26453","version":1},"attestation_state":"computed","paper":{"title":"Structural Alter-Phononics: Sublattice-Momentum Locking in Spinless Lattice Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gang Su, Jing-Yang You, Xianlei Sheng, Zhen Zhang","submitted_at":"2026-05-26T02:06:18Z","abstract_excerpt":"The discovery of altermagnetism has shown that crystal symmetry can generate momentum-dependent internal polarization without net magnetization. Whether an analogous form of symmetry-organized momentum-space order can exist for spinless lattice vibrations remains unresolved. Here we identify a structural mechanism for $alter$-$phononics$, in which phonon eigenmodes formed from structurally equivalent sublattices acquire momentum-dependent sublattice polarization and frequency splitting in nonmagnetic crystals. The central quantity is the sublattice-resolved dynamical asymmetry $\\Delta(\\mathbf "},"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":"2605.26453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T02:06:18Z","cross_cats_sorted":[],"title_canon_sha256":"5fcce63673460a7160e422addfc341b89e96acad41d7bb1a8dd101204e7bcd3b","abstract_canon_sha256":"104e389285f503ed5ad62cde79b0a51824adae25f4f35c6c8bf2aa8caf4e99f3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:18.768919Z","signature_b64":"s8XkdvD939AX06KrMQ6DopGAq0peoQAjWdc+oykicjtpeUjqLtmsjJ6vSb/4g4JfQQr9a5BP0n4JbOq+t+pRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e61d4d27fa4754b28e7a8764ad26acaca10e9a201dc68cedaa425ec3f07dee8","last_reissued_at":"2026-05-27T01:05:18.768179Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:18.768179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural Alter-Phononics: Sublattice-Momentum Locking in Spinless Lattice Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gang Su, Jing-Yang You, Xianlei Sheng, Zhen Zhang","submitted_at":"2026-05-26T02:06:18Z","abstract_excerpt":"The discovery of altermagnetism has shown that crystal symmetry can generate momentum-dependent internal polarization without net magnetization. Whether an analogous form of symmetry-organized momentum-space order can exist for spinless lattice vibrations remains unresolved. Here we identify a structural mechanism for $alter$-$phononics$, in which phonon eigenmodes formed from structurally equivalent sublattices acquire momentum-dependent sublattice polarization and frequency splitting in nonmagnetic crystals. The central quantity is the sublattice-resolved dynamical asymmetry $\\Delta(\\mathbf "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26453","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.26453/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2605.26453","created_at":"2026-05-27T01:05:18.768299+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.26453v1","created_at":"2026-05-27T01:05:18.768299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26453","created_at":"2026-05-27T01:05:18.768299+00:00"},{"alias_kind":"pith_short_12","alias_value":"JZQ5JUT7UR2U","created_at":"2026-05-27T01:05:18.768299+00:00"},{"alias_kind":"pith_short_16","alias_value":"JZQ5JUT7UR2UWKHH","created_at":"2026-05-27T01:05:18.768299+00:00"},{"alias_kind":"pith_short_8","alias_value":"JZQ5JUT7","created_at":"2026-05-27T01:05:18.768299+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/JZQ5JUT7UR2UWKHHVB3EVUTKZL","json":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL.json","graph_json":"https://pith.science/api/pith-number/JZQ5JUT7UR2UWKHHVB3EVUTKZL/graph.json","events_json":"https://pith.science/api/pith-number/JZQ5JUT7UR2UWKHHVB3EVUTKZL/events.json","paper":"https://pith.science/paper/JZQ5JUT7"},"agent_actions":{"view_html":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL","download_json":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL.json","view_paper":"https://pith.science/paper/JZQ5JUT7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.26453&json=true","fetch_graph":"https://pith.science/api/pith-number/JZQ5JUT7UR2UWKHHVB3EVUTKZL/graph.json","fetch_events":"https://pith.science/api/pith-number/JZQ5JUT7UR2UWKHHVB3EVUTKZL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL/action/storage_attestation","attest_author":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL/action/author_attestation","sign_citation":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL/action/citation_signature","submit_replication":"https://pith.science/pith/JZQ5JUT7UR2UWKHHVB3EVUTKZL/action/replication_record"}},"created_at":"2026-05-27T01:05:18.768299+00:00","updated_at":"2026-05-27T01:05:18.768299+00:00"}