{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:YX655W7335ANAX3YWAZDWQIDPP","short_pith_number":"pith:YX655W73","schema_version":"1.0","canonical_sha256":"c5fddedbfbdf40d05f78b0323b41037bd51666d4f618741314fa2bf6b5745221","source":{"kind":"arxiv","id":"1209.5007","version":2},"attestation_state":"computed","paper":{"title":"A tunable coupler with ScS quantum point contact to mediate strong interaction between flux qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A.A. Soroka, V.I. Shnyrkov","submitted_at":"2012-09-22T17:33:06Z","abstract_excerpt":"In this paper we propose a kind of quantum inductance couplers (QUINC) which represents a superconducting loop closed by ScS quantum point contact, operating in deep quantum low-temperature regime to provide tunable (Ising-type) ZZ interaction between flux qubits. This coupler is shown to be well tunable by an external control magnetic flux and to provide large inter-qubit interaction energies $|J/k_{\\rm B}|\\simeq1$ K thus being very promising as a qubit-coupling device in a quantum register as well as for studying fundamental low-temperature quantum phenomena. Some entanglement measures of 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":"1209.5007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-09-22T17:33:06Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d305ea3fc2d0aed78efd28f4ff174fda84cbac7aeab4cf89871196b242ba9943","abstract_canon_sha256":"5d3eb509097d3b70df1029bb727999fa37f0c8aa6202747500d92996aa3d0be6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:32.802963Z","signature_b64":"uN6D2N/3G/i7cX8d461Ezy7KLyR9166psuoWerf6F0FAXVrVdTbMyMZYp121y9Uhb5kyizHAdfkAa445DXS2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5fddedbfbdf40d05f78b0323b41037bd51666d4f618741314fa2bf6b5745221","last_reissued_at":"2026-05-18T02:30:32.802579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:32.802579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A tunable coupler with ScS quantum point contact to mediate strong interaction between flux qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A.A. Soroka, V.I. Shnyrkov","submitted_at":"2012-09-22T17:33:06Z","abstract_excerpt":"In this paper we propose a kind of quantum inductance couplers (QUINC) which represents a superconducting loop closed by ScS quantum point contact, operating in deep quantum low-temperature regime to provide tunable (Ising-type) ZZ interaction between flux qubits. This coupler is shown to be well tunable by an external control magnetic flux and to provide large inter-qubit interaction energies $|J/k_{\\rm B}|\\simeq1$ K thus being very promising as a qubit-coupling device in a quantum register as well as for studying fundamental low-temperature quantum phenomena. Some entanglement measures of a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5007","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":"1209.5007","created_at":"2026-05-18T02:30:32.802634+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.5007v2","created_at":"2026-05-18T02:30:32.802634+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5007","created_at":"2026-05-18T02:30:32.802634+00:00"},{"alias_kind":"pith_short_12","alias_value":"YX655W7335AN","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"YX655W7335ANAX3Y","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"YX655W73","created_at":"2026-05-18T12:27:30.460161+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/YX655W7335ANAX3YWAZDWQIDPP","json":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP.json","graph_json":"https://pith.science/api/pith-number/YX655W7335ANAX3YWAZDWQIDPP/graph.json","events_json":"https://pith.science/api/pith-number/YX655W7335ANAX3YWAZDWQIDPP/events.json","paper":"https://pith.science/paper/YX655W73"},"agent_actions":{"view_html":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP","download_json":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP.json","view_paper":"https://pith.science/paper/YX655W73","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.5007&json=true","fetch_graph":"https://pith.science/api/pith-number/YX655W7335ANAX3YWAZDWQIDPP/graph.json","fetch_events":"https://pith.science/api/pith-number/YX655W7335ANAX3YWAZDWQIDPP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP/action/storage_attestation","attest_author":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP/action/author_attestation","sign_citation":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP/action/citation_signature","submit_replication":"https://pith.science/pith/YX655W7335ANAX3YWAZDWQIDPP/action/replication_record"}},"created_at":"2026-05-18T02:30:32.802634+00:00","updated_at":"2026-05-18T02:30:32.802634+00:00"}