{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ES3CQ2SQ43PNHVAKFXLJBKF7ON","short_pith_number":"pith:ES3CQ2SQ","schema_version":"1.0","canonical_sha256":"24b6286a50e6ded3d40a2dd690a8bf7342c12be9e54243aa0b93d51b16c409f0","source":{"kind":"arxiv","id":"2603.17002","version":2},"attestation_state":"computed","paper":{"title":"Electronic Sound and Diffusion in Disordered Multiband Metals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Blaise Gout\\'eraux, Felix Flicker, Louk Rademaker, Miguel-\\'Angel S\\'anchez-Mart\\'inez","submitted_at":"2026-03-17T18:00:03Z","abstract_excerpt":"Multiband metals can host acoustic plasmons: gapless collective charge excitations involving out-of-phase motion of electrons in different bands, sometimes referred to as 'demons'. Using a hydrodynamic description valid at high temperatures, and a microscopic description with vertex corrections valid at low temperatures, we show, upon including disorder inevitably present in real materials, that the mode frequency becomes purely imaginary, resulting in diffusive behaviour over a finite range of small wave vectors $q\\le q_c$. This framework provides a natural, parameter-free explanation for the"},"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":"2603.17002","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-03-17T18:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"a44c1da79be7a28d1e499ccce5bcef944231b12f5d7de0624bdc5b0217f3b204","abstract_canon_sha256":"14d2a9e73de9191583c588a173f39ad61f63fd202859004fb42d3e75e39a0f4f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:17:51.898829Z","signature_b64":"mvbkzWLOLZjEvK0QcPMxIO/M23pmcMHOxdKaN8ZTdhB7cV4GHbus0/OXW3mMcP009Kvv+zeGbGkYW15LKzJtAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24b6286a50e6ded3d40a2dd690a8bf7342c12be9e54243aa0b93d51b16c409f0","last_reissued_at":"2026-06-25T01:17:51.898454Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:17:51.898454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electronic Sound and Diffusion in Disordered Multiband Metals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Blaise Gout\\'eraux, Felix Flicker, Louk Rademaker, Miguel-\\'Angel S\\'anchez-Mart\\'inez","submitted_at":"2026-03-17T18:00:03Z","abstract_excerpt":"Multiband metals can host acoustic plasmons: gapless collective charge excitations involving out-of-phase motion of electrons in different bands, sometimes referred to as 'demons'. Using a hydrodynamic description valid at high temperatures, and a microscopic description with vertex corrections valid at low temperatures, we show, upon including disorder inevitably present in real materials, that the mode frequency becomes purely imaginary, resulting in diffusive behaviour over a finite range of small wave vectors $q\\le q_c$. This framework provides a natural, parameter-free explanation for the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.17002","kind":"arxiv","version":2},"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/2603.17002/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":"2603.17002","created_at":"2026-06-25T01:17:51.898511+00:00"},{"alias_kind":"arxiv_version","alias_value":"2603.17002v2","created_at":"2026-06-25T01:17:51.898511+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.17002","created_at":"2026-06-25T01:17:51.898511+00:00"},{"alias_kind":"pith_short_12","alias_value":"ES3CQ2SQ43PN","created_at":"2026-06-25T01:17:51.898511+00:00"},{"alias_kind":"pith_short_16","alias_value":"ES3CQ2SQ43PNHVAK","created_at":"2026-06-25T01:17:51.898511+00:00"},{"alias_kind":"pith_short_8","alias_value":"ES3CQ2SQ","created_at":"2026-06-25T01:17:51.898511+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2604.14859","citing_title":"Unconventional plasmon dynamics due to strong correlations in Sr$_2$RuO$_4$","ref_index":28,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON","json":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON.json","graph_json":"https://pith.science/api/pith-number/ES3CQ2SQ43PNHVAKFXLJBKF7ON/graph.json","events_json":"https://pith.science/api/pith-number/ES3CQ2SQ43PNHVAKFXLJBKF7ON/events.json","paper":"https://pith.science/paper/ES3CQ2SQ"},"agent_actions":{"view_html":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON","download_json":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON.json","view_paper":"https://pith.science/paper/ES3CQ2SQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2603.17002&json=true","fetch_graph":"https://pith.science/api/pith-number/ES3CQ2SQ43PNHVAKFXLJBKF7ON/graph.json","fetch_events":"https://pith.science/api/pith-number/ES3CQ2SQ43PNHVAKFXLJBKF7ON/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON/action/storage_attestation","attest_author":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON/action/author_attestation","sign_citation":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON/action/citation_signature","submit_replication":"https://pith.science/pith/ES3CQ2SQ43PNHVAKFXLJBKF7ON/action/replication_record"}},"created_at":"2026-06-25T01:17:51.898511+00:00","updated_at":"2026-06-25T01:17:51.898511+00:00"}