{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:BA245FQNW3D3XHDHBZQTGZ6IS3","short_pith_number":"pith:BA245FQN","schema_version":"1.0","canonical_sha256":"0835ce960db6c7bb9c670e613367c896e48471f3d1abe5014d65418942e25118","source":{"kind":"arxiv","id":"1811.00020","version":2},"attestation_state":"computed","paper":{"title":"Anisotropic and controllable Gilbert-Bloch dissipation in spin valves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Akashdeep Kamra, Arne Brataas, Dmytro M. Polishchuk, Vladislav Korenivski","submitted_at":"2018-10-31T18:00:01Z","abstract_excerpt":"Spin valves form a key building block in a wide range of spintronic concepts and devices from magnetoresistive read heads to spin-transfer-torque oscillators. We elucidate the dependence of the magnetic damping in the free layer on the angle its equilibrium magnetization makes with that in the fixed layer. The spin pumping-mediated damping is anisotropic and tensorial, with Gilbert- and Bloch-like terms. Our investigation reveals a mechanism for tuning the free layer damping in-situ from negligible to a large value via the orientation of fixed layer magnetization, especially when the magnets a"},"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":"1811.00020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-31T18:00:01Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8cbe06643a623a37c2425cce4e702cf30c43ba02ed4b482a06bcabed453e9e1e","abstract_canon_sha256":"ba4d3c210c47ae1d3c5d9cfe4b3c8218e0cbe6a2db3a0babbded483d0b5bfc88"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:55.258286Z","signature_b64":"4/9AMoPIvkS49AJWLUezWwKo2d5fhji2MgHuFv1LECfwVNiiOQhrjtNUlAVK5A7ZEdspGjVBCs7gwZ+DbrShBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0835ce960db6c7bb9c670e613367c896e48471f3d1abe5014d65418942e25118","last_reissued_at":"2026-05-17T23:48:55.257777Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:55.257777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anisotropic and controllable Gilbert-Bloch dissipation in spin valves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Akashdeep Kamra, Arne Brataas, Dmytro M. Polishchuk, Vladislav Korenivski","submitted_at":"2018-10-31T18:00:01Z","abstract_excerpt":"Spin valves form a key building block in a wide range of spintronic concepts and devices from magnetoresistive read heads to spin-transfer-torque oscillators. We elucidate the dependence of the magnetic damping in the free layer on the angle its equilibrium magnetization makes with that in the fixed layer. The spin pumping-mediated damping is anisotropic and tensorial, with Gilbert- and Bloch-like terms. Our investigation reveals a mechanism for tuning the free layer damping in-situ from negligible to a large value via the orientation of fixed layer magnetization, especially when the magnets a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00020","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":""},"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":"1811.00020","created_at":"2026-05-17T23:48:55.257866+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.00020v2","created_at":"2026-05-17T23:48:55.257866+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00020","created_at":"2026-05-17T23:48:55.257866+00:00"},{"alias_kind":"pith_short_12","alias_value":"BA245FQNW3D3","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"BA245FQNW3D3XHDH","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"BA245FQN","created_at":"2026-05-18T12:32:13.499390+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/BA245FQNW3D3XHDHBZQTGZ6IS3","json":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3.json","graph_json":"https://pith.science/api/pith-number/BA245FQNW3D3XHDHBZQTGZ6IS3/graph.json","events_json":"https://pith.science/api/pith-number/BA245FQNW3D3XHDHBZQTGZ6IS3/events.json","paper":"https://pith.science/paper/BA245FQN"},"agent_actions":{"view_html":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3","download_json":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3.json","view_paper":"https://pith.science/paper/BA245FQN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.00020&json=true","fetch_graph":"https://pith.science/api/pith-number/BA245FQNW3D3XHDHBZQTGZ6IS3/graph.json","fetch_events":"https://pith.science/api/pith-number/BA245FQNW3D3XHDHBZQTGZ6IS3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3/action/storage_attestation","attest_author":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3/action/author_attestation","sign_citation":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3/action/citation_signature","submit_replication":"https://pith.science/pith/BA245FQNW3D3XHDHBZQTGZ6IS3/action/replication_record"}},"created_at":"2026-05-17T23:48:55.257866+00:00","updated_at":"2026-05-17T23:48:55.257866+00:00"}