{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:J6VJGZVPTSEWXHDUKOVT7IHIEA","short_pith_number":"pith:J6VJGZVP","schema_version":"1.0","canonical_sha256":"4faa9366af9c896b9c7453ab3fa0e8201c9185a0664bac8923e5ca393cc873be","source":{"kind":"arxiv","id":"0808.0743","version":3},"attestation_state":"computed","paper":{"title":"Kerr nonlinearities and nonclassical states with superconducting qubits and nanomechanical resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. L. Semi\\~ao, G. J. Milburn, K. Furuya","submitted_at":"2008-08-05T23:12:58Z","abstract_excerpt":"We propose the use of a superconducting charge qubit capacitively coupled to two resonant nanomechanical resonators to generate Yurke-Stoler states, i.e. quantum superpositions of pairs of distinguishable coherent states 180$^\\circ$ out of phase with each other. This is achieved by effectively implementing Kerr nonlinearities induced through application of a strong external driving field in one of the resonators. A simple study of the effect of dissipation on our scheme is also presented, and lower bounds of fidelity and purity of the generated state are calculated. Our procedure to implement "},"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":"0808.0743","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-08-05T23:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"38c4bc6f5520b80eefcf89e87e14679c45ceec2621e6521fa4bfd5e40fad17fb","abstract_canon_sha256":"06dbb1a532273660b6501adfefd5198fd842a1b1266fac59af7f985950bb57dd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:43.922972Z","signature_b64":"ya89r9hLtOseh1i8l4Cm7Df7JgdxLZ7U6lvbfjERW+W5e3bf6uMo95DOycjm39OdPVj1u3eEaFh/+rKPHDYYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4faa9366af9c896b9c7453ab3fa0e8201c9185a0664bac8923e5ca393cc873be","last_reissued_at":"2026-05-18T02:15:43.922308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:43.922308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Kerr nonlinearities and nonclassical states with superconducting qubits and nanomechanical resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. L. Semi\\~ao, G. J. Milburn, K. Furuya","submitted_at":"2008-08-05T23:12:58Z","abstract_excerpt":"We propose the use of a superconducting charge qubit capacitively coupled to two resonant nanomechanical resonators to generate Yurke-Stoler states, i.e. quantum superpositions of pairs of distinguishable coherent states 180$^\\circ$ out of phase with each other. This is achieved by effectively implementing Kerr nonlinearities induced through application of a strong external driving field in one of the resonators. A simple study of the effect of dissipation on our scheme is also presented, and lower bounds of fidelity and purity of the generated state are calculated. Our procedure to implement "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0743","kind":"arxiv","version":3},"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":"0808.0743","created_at":"2026-05-18T02:15:43.922436+00:00"},{"alias_kind":"arxiv_version","alias_value":"0808.0743v3","created_at":"2026-05-18T02:15:43.922436+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0743","created_at":"2026-05-18T02:15:43.922436+00:00"},{"alias_kind":"pith_short_12","alias_value":"J6VJGZVPTSEW","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"J6VJGZVPTSEWXHDU","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"J6VJGZVP","created_at":"2026-05-18T12:25:57.157939+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/J6VJGZVPTSEWXHDUKOVT7IHIEA","json":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA.json","graph_json":"https://pith.science/api/pith-number/J6VJGZVPTSEWXHDUKOVT7IHIEA/graph.json","events_json":"https://pith.science/api/pith-number/J6VJGZVPTSEWXHDUKOVT7IHIEA/events.json","paper":"https://pith.science/paper/J6VJGZVP"},"agent_actions":{"view_html":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA","download_json":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA.json","view_paper":"https://pith.science/paper/J6VJGZVP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0808.0743&json=true","fetch_graph":"https://pith.science/api/pith-number/J6VJGZVPTSEWXHDUKOVT7IHIEA/graph.json","fetch_events":"https://pith.science/api/pith-number/J6VJGZVPTSEWXHDUKOVT7IHIEA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA/action/storage_attestation","attest_author":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA/action/author_attestation","sign_citation":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA/action/citation_signature","submit_replication":"https://pith.science/pith/J6VJGZVPTSEWXHDUKOVT7IHIEA/action/replication_record"}},"created_at":"2026-05-18T02:15:43.922436+00:00","updated_at":"2026-05-18T02:15:43.922436+00:00"}