{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:VMCZO7PBLGRM6SVKCGKOQMNDL4","short_pith_number":"pith:VMCZO7PB","schema_version":"1.0","canonical_sha256":"ab05977de159a2cf4aaa1194e831a35f1c4e5e9c12c6c52d268df0a495eeb796","source":{"kind":"arxiv","id":"1503.03777","version":1},"attestation_state":"computed","paper":{"title":"Control of Dzyaloshinskii-Moriya interaction in Mn$_{1-x}$Fe$_x$Ge: a first-principles study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Naoto Nagaosa, Ryotaro Arita, Takashi Koretsune","submitted_at":"2015-03-12T15:42:08Z","abstract_excerpt":"Motivated by the recent experiment on the size and helicity control of skyrmions in Mn$_{1-x}$Fe$_x$Ge [K. Shibata et al., Nature Nanotechnology 8, 732 (2013)], we study how the Dzyaloshinskii-Moriya (DM) interaction changes its size and sign in metallic helimagnets. By means of first-principles calculations, we successfully reproduce the non-trivial sign change of the DM interaction observed in the experiment. While the DM interaction sensitively depends on the carrier density or the detail of the electronic structure such as the size of the exchange splitting, its behavior can be systematica"},"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":"1503.03777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-12T15:42:08Z","cross_cats_sorted":[],"title_canon_sha256":"1500edb8790e47ef90dce5f7c79738dbf022752fa99ece8ef5a082f1ae001ad1","abstract_canon_sha256":"11c4aa5d4de1731a40ffe7e453393f38da855211f017854fa514c8b201a5af64"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:27.368483Z","signature_b64":"D9nZtYrG3rZ25OATyWJaaqdWa8vvrQFheH/9wRWAh4YbK1CJs7Wjr8pzQYAwfjnxb5qbsQMmoHqKWqJ0idSXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab05977de159a2cf4aaa1194e831a35f1c4e5e9c12c6c52d268df0a495eeb796","last_reissued_at":"2026-05-18T02:24:27.367750Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:27.367750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Control of Dzyaloshinskii-Moriya interaction in Mn$_{1-x}$Fe$_x$Ge: a first-principles study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Naoto Nagaosa, Ryotaro Arita, Takashi Koretsune","submitted_at":"2015-03-12T15:42:08Z","abstract_excerpt":"Motivated by the recent experiment on the size and helicity control of skyrmions in Mn$_{1-x}$Fe$_x$Ge [K. Shibata et al., Nature Nanotechnology 8, 732 (2013)], we study how the Dzyaloshinskii-Moriya (DM) interaction changes its size and sign in metallic helimagnets. By means of first-principles calculations, we successfully reproduce the non-trivial sign change of the DM interaction observed in the experiment. While the DM interaction sensitively depends on the carrier density or the detail of the electronic structure such as the size of the exchange splitting, its behavior can be systematica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03777","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":"1503.03777","created_at":"2026-05-18T02:24:27.367875+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.03777v1","created_at":"2026-05-18T02:24:27.367875+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03777","created_at":"2026-05-18T02:24:27.367875+00:00"},{"alias_kind":"pith_short_12","alias_value":"VMCZO7PBLGRM","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"VMCZO7PBLGRM6SVK","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"VMCZO7PB","created_at":"2026-05-18T12:29:47.479230+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/VMCZO7PBLGRM6SVKCGKOQMNDL4","json":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4.json","graph_json":"https://pith.science/api/pith-number/VMCZO7PBLGRM6SVKCGKOQMNDL4/graph.json","events_json":"https://pith.science/api/pith-number/VMCZO7PBLGRM6SVKCGKOQMNDL4/events.json","paper":"https://pith.science/paper/VMCZO7PB"},"agent_actions":{"view_html":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4","download_json":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4.json","view_paper":"https://pith.science/paper/VMCZO7PB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.03777&json=true","fetch_graph":"https://pith.science/api/pith-number/VMCZO7PBLGRM6SVKCGKOQMNDL4/graph.json","fetch_events":"https://pith.science/api/pith-number/VMCZO7PBLGRM6SVKCGKOQMNDL4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4/action/storage_attestation","attest_author":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4/action/author_attestation","sign_citation":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4/action/citation_signature","submit_replication":"https://pith.science/pith/VMCZO7PBLGRM6SVKCGKOQMNDL4/action/replication_record"}},"created_at":"2026-05-18T02:24:27.367875+00:00","updated_at":"2026-05-18T02:24:27.367875+00:00"}