{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:FSYCQADDHG35RRC7MTR7ACOW32","short_pith_number":"pith:FSYCQADD","schema_version":"1.0","canonical_sha256":"2cb028006339b7d8c45f64e3f009d6dea92d3c1bc26501044880111d88380e4f","source":{"kind":"arxiv","id":"1109.1305","version":2},"attestation_state":"computed","paper":{"title":"Validity of resonant two-qubit gates in the ultrastrong coupling regime of circuit QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"D. Ballester, E. Solano, G. Romero, V. Scarani, Y. M. Wang","submitted_at":"2011-09-06T21:24:10Z","abstract_excerpt":"We investigate theoretically the performance of two-qubit resonant gates in the crossover from the strong to the ultrastrong coupling (USC) regime of light-matter interaction in circuit QED. Two controlled-PHASE gate schemes---that works well within the rotating wave-approximation (RWA)---are analyzed while taking into account the effects of counter-rotating terms appearing in the Hamiltonian. Our numerical results show that the fidelity of the gate operation is above 96 % when the ratio between the coupling strength and the resonator frequency, g/\\omega_r, is of about 10 %. Novel schemes are "},"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":"1109.1305","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-06T21:24:10Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"29dbf4e904bbc67245ed7f5877ddd231bb9bcf03a91f7a4ee83a33ba59ad53e7","abstract_canon_sha256":"495d21e6cd5cca6b005876b233a70a0a5f256d74b838df32b6194ecb2c57c2ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:38.672103Z","signature_b64":"hfpguFWOuzgWCxs2QZZmJzHrt31yN0E8vaUTUxuvim6hSm3jwgSI+iTRleFYJrxisKMp54Fd3qLtHl4U0/fHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cb028006339b7d8c45f64e3f009d6dea92d3c1bc26501044880111d88380e4f","last_reissued_at":"2026-05-18T02:00:38.671471Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:38.671471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Validity of resonant two-qubit gates in the ultrastrong coupling regime of circuit QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"D. Ballester, E. Solano, G. Romero, V. Scarani, Y. M. Wang","submitted_at":"2011-09-06T21:24:10Z","abstract_excerpt":"We investigate theoretically the performance of two-qubit resonant gates in the crossover from the strong to the ultrastrong coupling (USC) regime of light-matter interaction in circuit QED. Two controlled-PHASE gate schemes---that works well within the rotating wave-approximation (RWA)---are analyzed while taking into account the effects of counter-rotating terms appearing in the Hamiltonian. Our numerical results show that the fidelity of the gate operation is above 96 % when the ratio between the coupling strength and the resonator frequency, g/\\omega_r, is of about 10 %. Novel schemes are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1305","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":"1109.1305","created_at":"2026-05-18T02:00:38.671578+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.1305v2","created_at":"2026-05-18T02:00:38.671578+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1305","created_at":"2026-05-18T02:00:38.671578+00:00"},{"alias_kind":"pith_short_12","alias_value":"FSYCQADDHG35","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"FSYCQADDHG35RRC7","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"FSYCQADD","created_at":"2026-05-18T12:26:28.662955+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/FSYCQADDHG35RRC7MTR7ACOW32","json":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32.json","graph_json":"https://pith.science/api/pith-number/FSYCQADDHG35RRC7MTR7ACOW32/graph.json","events_json":"https://pith.science/api/pith-number/FSYCQADDHG35RRC7MTR7ACOW32/events.json","paper":"https://pith.science/paper/FSYCQADD"},"agent_actions":{"view_html":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32","download_json":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32.json","view_paper":"https://pith.science/paper/FSYCQADD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.1305&json=true","fetch_graph":"https://pith.science/api/pith-number/FSYCQADDHG35RRC7MTR7ACOW32/graph.json","fetch_events":"https://pith.science/api/pith-number/FSYCQADDHG35RRC7MTR7ACOW32/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32/action/storage_attestation","attest_author":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32/action/author_attestation","sign_citation":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32/action/citation_signature","submit_replication":"https://pith.science/pith/FSYCQADDHG35RRC7MTR7ACOW32/action/replication_record"}},"created_at":"2026-05-18T02:00:38.671578+00:00","updated_at":"2026-05-18T02:00:38.671578+00:00"}