{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:AZLRDQYRGR6F5UN5KUPB4LFDYP","short_pith_number":"pith:AZLRDQYR","schema_version":"1.0","canonical_sha256":"065711c311347c5ed1bd551e1e2ca3c3f05f4621153d68405eb97e2f23645de3","source":{"kind":"arxiv","id":"2103.03005","version":1},"attestation_state":"computed","paper":{"title":"The random force in molecular dynamics with electronic friction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Alec M. Wodtke, Alexander Kandratsenka, Daniel J. Auerbach, Dirk Schwarzer, Nils Hertl, Oihana Galparsoro, Pascal Larregaray, Raidel Martin-Barrios","submitted_at":"2021-03-04T13:05:35Z","abstract_excerpt":"The Langevin equation includes a random force to maintain equilibrium and prevent friction from bringing motion to a standstill; but for ballistic motion, the random force is often neglected. Here, we use the Langevin equation for molecular dynamics simulations of 2.76 eV H-atoms experiencing electronic friction in collisions with 300 K metals, where a random force arises from thermal electron-hole pairs. Simulations without the random force fail dramatically to reproduce experiment, although the incidence energy is much larger than $k_\\text{B}T$. We analyze the Ornstein-Uhlenbeck process to s"},"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":"2103.03005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2021-03-04T13:05:35Z","cross_cats_sorted":[],"title_canon_sha256":"ebac7f4a2cf6e8a5e285bfa291ddb4308a5b6c5e702fa71c867b6ac67a07a9a8","abstract_canon_sha256":"d4a1edd8f81d81573a5dcf8c0464430bf00f44d00b2344043f1dd75562d18c21"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:20:23.207681Z","signature_b64":"H7+I+LEtW8i8vW3c0S4W+d3TtwBSjqTTnqOIWgj8Hswl65jPHeiDmyq8nCYMUNzJrYWukrVXSFSr2Vo6PdVUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"065711c311347c5ed1bd551e1e2ca3c3f05f4621153d68405eb97e2f23645de3","last_reissued_at":"2026-07-05T02:20:23.207198Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:20:23.207198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The random force in molecular dynamics with electronic friction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Alec M. Wodtke, Alexander Kandratsenka, Daniel J. Auerbach, Dirk Schwarzer, Nils Hertl, Oihana Galparsoro, Pascal Larregaray, Raidel Martin-Barrios","submitted_at":"2021-03-04T13:05:35Z","abstract_excerpt":"The Langevin equation includes a random force to maintain equilibrium and prevent friction from bringing motion to a standstill; but for ballistic motion, the random force is often neglected. Here, we use the Langevin equation for molecular dynamics simulations of 2.76 eV H-atoms experiencing electronic friction in collisions with 300 K metals, where a random force arises from thermal electron-hole pairs. Simulations without the random force fail dramatically to reproduce experiment, although the incidence energy is much larger than $k_\\text{B}T$. We analyze the Ornstein-Uhlenbeck process to s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.03005","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/2103.03005/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":"2103.03005","created_at":"2026-07-05T02:20:23.207256+00:00"},{"alias_kind":"arxiv_version","alias_value":"2103.03005v1","created_at":"2026-07-05T02:20:23.207256+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.03005","created_at":"2026-07-05T02:20:23.207256+00:00"},{"alias_kind":"pith_short_12","alias_value":"AZLRDQYRGR6F","created_at":"2026-07-05T02:20:23.207256+00:00"},{"alias_kind":"pith_short_16","alias_value":"AZLRDQYRGR6F5UN5","created_at":"2026-07-05T02:20:23.207256+00:00"},{"alias_kind":"pith_short_8","alias_value":"AZLRDQYR","created_at":"2026-07-05T02:20:23.207256+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/AZLRDQYRGR6F5UN5KUPB4LFDYP","json":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP.json","graph_json":"https://pith.science/api/pith-number/AZLRDQYRGR6F5UN5KUPB4LFDYP/graph.json","events_json":"https://pith.science/api/pith-number/AZLRDQYRGR6F5UN5KUPB4LFDYP/events.json","paper":"https://pith.science/paper/AZLRDQYR"},"agent_actions":{"view_html":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP","download_json":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP.json","view_paper":"https://pith.science/paper/AZLRDQYR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2103.03005&json=true","fetch_graph":"https://pith.science/api/pith-number/AZLRDQYRGR6F5UN5KUPB4LFDYP/graph.json","fetch_events":"https://pith.science/api/pith-number/AZLRDQYRGR6F5UN5KUPB4LFDYP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP/action/storage_attestation","attest_author":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP/action/author_attestation","sign_citation":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP/action/citation_signature","submit_replication":"https://pith.science/pith/AZLRDQYRGR6F5UN5KUPB4LFDYP/action/replication_record"}},"created_at":"2026-07-05T02:20:23.207256+00:00","updated_at":"2026-07-05T02:20:23.207256+00:00"}