{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:IZ7H4JYDWTXUNK4FTGVNWA2GRZ","short_pith_number":"pith:IZ7H4JYD","schema_version":"1.0","canonical_sha256":"467e7e2703b4ef46ab8599aadb03468e571bad171c1fb3ab4f4cc76d35a1d7e7","source":{"kind":"arxiv","id":"0910.1797","version":2},"attestation_state":"computed","paper":{"title":"Dangling-bond charge qubit on a silicon surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"quant-ph","authors_text":"Barry C. Sanders, Gino A. DiLabio, Jason L. Pitters, Josh Mutus, Lucian Livadaru, Peng Xue, Robert A. Wolkow, Zahra Shaterzadeh-Yazdi","submitted_at":"2009-10-09T17:57:59Z","abstract_excerpt":"Two closely spaced dangling bonds positioned on a silicon surface and sharing an excess electron are revealed to be a strong candidate for a charge qubit. Based on our study of the coherent dynamics of this qubit, its extremely high tunneling rate ~ 10^14 1/s greatly exceeds the expected decoherence rates for a silicon-based system, thereby overcoming a critical obstacle of charge qubit quantum computing. We investigate possible configurations of dangling bond qubits for quantum computing devices. A first-order analysis of coherent dynamics of dangling bonds shows promise in this respect."},"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":"0910.1797","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-09T17:57:59Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8358b923d0b02b22c93b40fab557624d4b2517b38ac9e11bbddf6efb4aa2b15c","abstract_canon_sha256":"94baea24c15e119c9dc643a64cbaf4316946554cf2466b2712fbe00228bf6993"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:06:43.747750Z","signature_b64":"KtoweK5IFL/ghALTZNQC9KJxS/yBO9eYq+r6QMuyObCGC6si8fcDvTYjpJun0eNlU3/csV2tlJXGM/XDuQWiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"467e7e2703b4ef46ab8599aadb03468e571bad171c1fb3ab4f4cc76d35a1d7e7","last_reissued_at":"2026-05-18T04:06:43.747286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:06:43.747286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dangling-bond charge qubit on a silicon surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"quant-ph","authors_text":"Barry C. Sanders, Gino A. DiLabio, Jason L. Pitters, Josh Mutus, Lucian Livadaru, Peng Xue, Robert A. Wolkow, Zahra Shaterzadeh-Yazdi","submitted_at":"2009-10-09T17:57:59Z","abstract_excerpt":"Two closely spaced dangling bonds positioned on a silicon surface and sharing an excess electron are revealed to be a strong candidate for a charge qubit. Based on our study of the coherent dynamics of this qubit, its extremely high tunneling rate ~ 10^14 1/s greatly exceeds the expected decoherence rates for a silicon-based system, thereby overcoming a critical obstacle of charge qubit quantum computing. We investigate possible configurations of dangling bond qubits for quantum computing devices. A first-order analysis of coherent dynamics of dangling bonds shows promise in this respect."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1797","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":"0910.1797","created_at":"2026-05-18T04:06:43.747364+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.1797v2","created_at":"2026-05-18T04:06:43.747364+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1797","created_at":"2026-05-18T04:06:43.747364+00:00"},{"alias_kind":"pith_short_12","alias_value":"IZ7H4JYDWTXU","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"IZ7H4JYDWTXUNK4F","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"IZ7H4JYD","created_at":"2026-05-18T12:26:00.592388+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/IZ7H4JYDWTXUNK4FTGVNWA2GRZ","json":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ.json","graph_json":"https://pith.science/api/pith-number/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/graph.json","events_json":"https://pith.science/api/pith-number/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/events.json","paper":"https://pith.science/paper/IZ7H4JYD"},"agent_actions":{"view_html":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ","download_json":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ.json","view_paper":"https://pith.science/paper/IZ7H4JYD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.1797&json=true","fetch_graph":"https://pith.science/api/pith-number/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/graph.json","fetch_events":"https://pith.science/api/pith-number/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/action/storage_attestation","attest_author":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/action/author_attestation","sign_citation":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/action/citation_signature","submit_replication":"https://pith.science/pith/IZ7H4JYDWTXUNK4FTGVNWA2GRZ/action/replication_record"}},"created_at":"2026-05-18T04:06:43.747364+00:00","updated_at":"2026-05-18T04:06:43.747364+00:00"}