{"paper":{"title":"Direction-selective triplet pairing and spin-edge locking in altermagnetic metals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Altermagnetic spin splitting selects anisotropic triplet pairing that produces spin-locked Majorana boundary states.","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Junkang Huang, Lie Yuan, Tao Zhou, Yu-Xuan Li","submitted_at":"2026-05-18T14:03:05Z","abstract_excerpt":"We investigate self-consistent unconventional superconductivity in a two-dimensional $d$-wave altermagnetic metal. We find that momentum-dependent altermagnetic spin splitting suppresses opposite-spin singlet pairing and stabilizes highly anisotropic equal-spin triplet order. In the spin-conserving limit, this directional triplet pairing gives rise to nearly dispersionless Majorana boundary states associated with effective one-dimensional topological channels. Rashba spin-orbit coupling mixes spin sectors, activates additional pairing components, and drives the system into a mixed-parity super"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Momentum-dependent altermagnetic spin splitting suppresses opposite-spin singlet pairing and stabilizes highly anisotropic equal-spin triplet order. In the spin-conserving limit this directional triplet pairing gives rise to nearly dispersionless Majorana boundary states associated with effective one-dimensional topological channels; Rashba spin-orbit coupling drives a mixed-parity state with dispersive Majorana states and spin-resolved boundary spectra that reveal locking between boundary orientation and spin polarization.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The central results rest on a self-consistent mean-field treatment of superconductivity inside a specific two-dimensional d-wave altermagnetic metal model, with an initial spin-conserving limit and a particular form of Rashba spin-orbit coupling added later.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Altermagnetic spin splitting selects direction-selective triplet pairing in 2D d-wave metals and generates spin-locked Majorana edge states in both spin-conserving and Rashba-mixed regimes.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Altermagnetic spin splitting selects anisotropic triplet pairing that produces spin-locked Majorana boundary states.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"6ceef1f282899a023c0b2187b79fffb7795adcd67d57d79d994d168da07f3f9a"},"source":{"id":"2605.18429","kind":"arxiv","version":1},"verdict":{"id":"f7755ee2-f601-4462-906e-6bcb135de5e3","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-19T23:35:14.696612Z","strongest_claim":"Momentum-dependent altermagnetic spin splitting suppresses opposite-spin singlet pairing and stabilizes highly anisotropic equal-spin triplet order. In the spin-conserving limit this directional triplet pairing gives rise to nearly dispersionless Majorana boundary states associated with effective one-dimensional topological channels; Rashba spin-orbit coupling drives a mixed-parity state with dispersive Majorana states and spin-resolved boundary spectra that reveal locking between boundary orientation and spin polarization.","one_line_summary":"Altermagnetic spin splitting selects direction-selective triplet pairing in 2D d-wave metals and generates spin-locked Majorana edge states in both spin-conserving and Rashba-mixed regimes.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The central results rest on a self-consistent mean-field treatment of superconductivity inside a specific two-dimensional d-wave altermagnetic metal model, with an initial spin-conserving limit and a particular form of Rashba spin-orbit coupling added later.","pith_extraction_headline":"Altermagnetic spin splitting selects anisotropic triplet pairing that produces spin-locked Majorana boundary states."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.18429/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"doi_title_agreement","ran_at":"2026-05-20T00:01:20.250581Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"citation_quote_validity","ran_at":"2026-05-19T23:49:49.833400Z","status":"completed","version":"0.1.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T23:40:55.381484Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"ai_meta_artifact","ran_at":"2026-05-19T23:33:27.576797Z","status":"skipped","version":"1.0.0","findings_count":0},{"name":"external_links","ran_at":"2026-05-19T23:31:33.165226Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"cited_work_retraction","ran_at":"2026-05-19T23:21:59.215994Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"claim_evidence","ran_at":"2026-05-19T23:21:58.661392Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"4323ca3529635746a3c4fc9202575f52ac93c80e5344f97e1f873684cc90b4e6"},"references":{"count":69,"sample":[{"doi":"","year":2005,"title":"Odd triplet superconductivity and related phenomena in superconductor-ferromagnet structures","work_id":"c5b46811-181d-451a-ac53-442be1c57b9a","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2009,"title":"E. Berg, E. Fradkin, S. A. Kivelson, and J. M. Tran- quada, Striped superconductors: How spin, charge and superconducting orders intertwine in the cuprates, New J. Phys. 11, 115004 (2009)","work_id":"4268a893-a64a-4d94-b878-d10f7fac1ea2","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2012,"title":"D. J. Scalapino, A common thread: The pairing inter- action for unconventional superconductors, Rev. Mod. Phys. 84, 1383 (2012)","work_id":"a409150b-66c8-4c5b-ae87-95a4e8ba943f","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2015,"title":"E. Fradkin, S. A. Kivelson, and J. M. Tranquada, Collo- quium: Theory of intertwined orders in high temperature superconductors, Rev. Mod. Phys. 87, 457 (2015)","work_id":"2e9dcb11-522e-4462-9cf0-ffc1d078e67b","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1986,"title":"D. J. Scalapino, E. Loh, and J. E. 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