{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:R2J3SEYYK4STOTIUZYSNRRQXRN","short_pith_number":"pith:R2J3SEYY","schema_version":"1.0","canonical_sha256":"8e93b913185725374d14ce24d8c6178b6b8eca239d31ac34e82ae93e9a65d3c5","source":{"kind":"arxiv","id":"2501.09084","version":1},"attestation_state":"computed","paper":{"title":"Goldstone mode of the broken helix in U(1) magnet EuIn2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alex Liebman-Pelaez, Andrew T. Boothroyd, Dharmalingam Prabhakaran, Jian R. Soh, Joseph Orenstein, Samuel J. Garratt, Veronika Sunko, Yue Sun","submitted_at":"2025-01-15T19:01:14Z","abstract_excerpt":"Goldstone modes acquire a frequency gap in the presence of perturbations that break the underlying continuous symmetry. Here, we study the response of a spin-based Goldstone mode to strain and magnetic field in the broken helix, a multi-$\\textbf{Q}$ phase of EuIn$_2$As$_2$. Optical polarimetry with spatial and temporal resolution allows us to access information about both the structure and frequency of optically excited spin-wave modes under different strain conditions. We observe nearly uniform spin precession characteristic of a Goldstone mode only when magnetic field dominates over strain. "},"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":"2501.09084","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-15T19:01:14Z","cross_cats_sorted":[],"title_canon_sha256":"077b22bf0e62874bb2372ad176fed82557d57ea25f589f1982e428ab1c0355f5","abstract_canon_sha256":"3c0d88a845f8ecf5e24e82d859080ac679342a5c0b69bafc3e2d429e86478d04"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T03:05:03.282737Z","signature_b64":"fmh6bRmjVlU/EHlg3QscJlL6JomNyRcIb7VC+rbGoPOMp7Yuqok59u8o1H9Ffhom8b2CmNmLROJX2p008S+VCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e93b913185725374d14ce24d8c6178b6b8eca239d31ac34e82ae93e9a65d3c5","last_reissued_at":"2026-06-02T03:05:03.282296Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T03:05:03.282296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Goldstone mode of the broken helix in U(1) magnet EuIn2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alex Liebman-Pelaez, Andrew T. Boothroyd, Dharmalingam Prabhakaran, Jian R. Soh, Joseph Orenstein, Samuel J. Garratt, Veronika Sunko, Yue Sun","submitted_at":"2025-01-15T19:01:14Z","abstract_excerpt":"Goldstone modes acquire a frequency gap in the presence of perturbations that break the underlying continuous symmetry. Here, we study the response of a spin-based Goldstone mode to strain and magnetic field in the broken helix, a multi-$\\textbf{Q}$ phase of EuIn$_2$As$_2$. Optical polarimetry with spatial and temporal resolution allows us to access information about both the structure and frequency of optically excited spin-wave modes under different strain conditions. We observe nearly uniform spin precession characteristic of a Goldstone mode only when magnetic field dominates over strain. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09084","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/2501.09084/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":"2501.09084","created_at":"2026-06-02T03:05:03.282364+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.09084v1","created_at":"2026-06-02T03:05:03.282364+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09084","created_at":"2026-06-02T03:05:03.282364+00:00"},{"alias_kind":"pith_short_12","alias_value":"R2J3SEYYK4ST","created_at":"2026-06-02T03:05:03.282364+00:00"},{"alias_kind":"pith_short_16","alias_value":"R2J3SEYYK4STOTIU","created_at":"2026-06-02T03:05:03.282364+00:00"},{"alias_kind":"pith_short_8","alias_value":"R2J3SEYY","created_at":"2026-06-02T03:05:03.282364+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/R2J3SEYYK4STOTIUZYSNRRQXRN","json":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN.json","graph_json":"https://pith.science/api/pith-number/R2J3SEYYK4STOTIUZYSNRRQXRN/graph.json","events_json":"https://pith.science/api/pith-number/R2J3SEYYK4STOTIUZYSNRRQXRN/events.json","paper":"https://pith.science/paper/R2J3SEYY"},"agent_actions":{"view_html":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN","download_json":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN.json","view_paper":"https://pith.science/paper/R2J3SEYY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.09084&json=true","fetch_graph":"https://pith.science/api/pith-number/R2J3SEYYK4STOTIUZYSNRRQXRN/graph.json","fetch_events":"https://pith.science/api/pith-number/R2J3SEYYK4STOTIUZYSNRRQXRN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN/action/storage_attestation","attest_author":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN/action/author_attestation","sign_citation":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN/action/citation_signature","submit_replication":"https://pith.science/pith/R2J3SEYYK4STOTIUZYSNRRQXRN/action/replication_record"}},"created_at":"2026-06-02T03:05:03.282364+00:00","updated_at":"2026-06-02T03:05:03.282364+00:00"}