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Complementarily, controlling the electric field direction aligns the spin-orbit axis, suppressing excitation non-conserving processes and enabling robust transfer without fine tuning."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The assumption that the idealized spin-orbit Hamiltonian and phase-matching conditions remain valid under realistic noise, disorder, and finite-temperature conditions in actual quantum-dot devices without introducing prohibitive decoherence."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Tuning electric field strength or direction restores near-perfect state transfer in hole-spin qubits via discrete spin-orbit phase-matching conditions independent of rotation axis."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Electric field tuning identifies discrete phase-matching conditions that restore near-perfect state transfer in hole-spin qubits independent of rotation axis."}],"snapshot_sha256":"b273f966d326670127abfaa19e75ec493590d46e43c984918b48a6cfa9aaabaf"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Semiconductor hole-spin qubits offer a promising route to quantum computation due to their weak hyperfine interaction, and strong intrinsic spin-orbit coupling enabling electric control of qubits. Scalable architectures, however, require coherent long-distance quantum state transfer, which is hindered in these systems by spin-orbit induced anisotropic exchange. Here we show that this limitation can be overcome by using an all-electric control protocol. By tuning the electric field strength, we identify discrete spin-orbit phase-matching conditions that restore near-perfect state transfer, inde","authors_text":"Charles G. 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We define |L⟩=| ↑⟩ 1 ⊗ |χ0⟩23 ⊗ | ↓⟩4,(B30) |R⟩=| ↓⟩ 1 ⊗ |χ0⟩23 ⊗ | ↑⟩4.(B31) Projecting onto this subspace gives Heff = ","work_id":"4ac160c3-9b79-4175-96b2-f423ab2bbf69","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"(B33) now forθ so =π","work_id":"1a77d824-724b-43fe-9929-0fad4e291583","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"D. Loss and D. P. 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