{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JSC63C26SV5DR4TIOY7XPLVSA6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"72e2803f58e79ea484eaaa40d6121b9359513d72fe8d22c9d30b65b4ad1e9415","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-07T08:21:15Z","title_canon_sha256":"6d3e4060d1668f0fe82141b998172db8abe3dfe002d21c07c2420eb960418d1b"},"schema_version":"1.0","source":{"id":"1705.02579","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02579","created_at":"2026-05-18T00:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02579v1","created_at":"2026-05-18T00:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02579","created_at":"2026-05-18T00:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"JSC63C26SV5D","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JSC63C26SV5DR4TI","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JSC63C26","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:8ab2dfc08f1c380ba6a88e77530bbc792786dc68d6ed4480bf3b689eecb8bd0b","target":"graph","created_at":"2026-05-18T00:44:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The phenomenon of spin transfer torque (STT) has attracted a great deal of interests due to its promising prospects in practical spintronic devices. In this paper, we report a theoretical investigation of STT in a noncollinear magnetic tunnel junction under ac modulation based on the nonequilibrium Green's function formalism, and derive a closed-formulation for predicting the time-averaged STT. Using this formulation, the ac STT of a carbon-nanotube-based magnetic tunnel junction is analyzed. Under ac modulation, the low-bias linear (quadratic) dependence of the in-plane (out-of-plane) torque ","authors_text":"Can-Ming Hu, Chenyi Zhou, Hong Guo, Jingzhe Chen, Lei Zhang, Xiaobin Chen, Xiaohong Zheng, Zhaohui Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-07T08:21:15Z","title":"Enhancing the spin transfer torque in magnetic tunnel junctions by ac modulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02579","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:16da52a1ee21364f87328e73e8fd38f2dbe036e50d038e06fc13a5caba616c18","target":"record","created_at":"2026-05-18T00:44:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"72e2803f58e79ea484eaaa40d6121b9359513d72fe8d22c9d30b65b4ad1e9415","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-07T08:21:15Z","title_canon_sha256":"6d3e4060d1668f0fe82141b998172db8abe3dfe002d21c07c2420eb960418d1b"},"schema_version":"1.0","source":{"id":"1705.02579","kind":"arxiv","version":1}},"canonical_sha256":"4c85ed8b5e957a38f268763f77aeb2079aeb8880d3be6e66b5afc1cd3256cfcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c85ed8b5e957a38f268763f77aeb2079aeb8880d3be6e66b5afc1cd3256cfcd","first_computed_at":"2026-05-18T00:44:23.013279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:23.013279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GBjKgl2B44717ie9epWZ2jqF2SfIWXs9N3JbXMy2Upe3z8m9j7tkixFwCv99UpLDns+WQOjK1V0ACW6HVmYvDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:23.013688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02579","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16da52a1ee21364f87328e73e8fd38f2dbe036e50d038e06fc13a5caba616c18","sha256:8ab2dfc08f1c380ba6a88e77530bbc792786dc68d6ed4480bf3b689eecb8bd0b"],"state_sha256":"834fbb42af704ae0611ae215f6be9c0b4165866abdf7c4e7f8b473327b183c21"}