{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:E6OMKJAUVCBECMFYQDFAPODAUN","short_pith_number":"pith:E6OMKJAU","schema_version":"1.0","canonical_sha256":"279cc52414a8824130b880ca07b860a35f7973e32db34fadc097d0faa7111f77","source":{"kind":"arxiv","id":"1411.3102","version":4},"attestation_state":"computed","paper":{"title":"Generation of a macroscopic entangled coherent state using quantum memories in circuit QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chui-ping Yang, Franco Nori, Jin-Ming Liu, Qi-ping Su, Shao-Jie Xiong, Tong Liu","submitted_at":"2014-11-12T08:48:30Z","abstract_excerpt":"$W$-type entangled states can be used as quantum channels for, e.g., quantum teleportation, quantum dense coding, and quantum key distribution. In this work, we propose a way to generate a macroscopic $W$-type entangled coherent state using quantum memories in circuit QED. The memories considered here are nitrogen-vacancy center ensembles (NVEs), each located in a different cavity. This proposal does not require initially preparing each NVE in a coherent state instead of a ground state, which should significantly reduce its experimental difficulty. For most of the operation time, each cavity r"},"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":"1411.3102","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-12T08:48:30Z","cross_cats_sorted":[],"title_canon_sha256":"6bcb0f1b06c1195cadfa0485efb7a297efc05051bf6ce3fc0727eec69fbc527b","abstract_canon_sha256":"715de7ae2d416a829ce1cff479534f3d405b28e90d6903c34db3584527f0e48e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:30.431171Z","signature_b64":"ipRCusnGXCefBbU1YF8dKt7oqzi1PqANahZO0KlHgwDe89elBRup7ZNGjkojlD3vcQgghffhir9RW+vs8xUrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"279cc52414a8824130b880ca07b860a35f7973e32db34fadc097d0faa7111f77","last_reissued_at":"2026-05-18T01:04:30.430555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:30.430555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generation of a macroscopic entangled coherent state using quantum memories in circuit QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chui-ping Yang, Franco Nori, Jin-Ming Liu, Qi-ping Su, Shao-Jie Xiong, Tong Liu","submitted_at":"2014-11-12T08:48:30Z","abstract_excerpt":"$W$-type entangled states can be used as quantum channels for, e.g., quantum teleportation, quantum dense coding, and quantum key distribution. In this work, we propose a way to generate a macroscopic $W$-type entangled coherent state using quantum memories in circuit QED. The memories considered here are nitrogen-vacancy center ensembles (NVEs), each located in a different cavity. This proposal does not require initially preparing each NVE in a coherent state instead of a ground state, which should significantly reduce its experimental difficulty. For most of the operation time, each cavity r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3102","kind":"arxiv","version":4},"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":"1411.3102","created_at":"2026-05-18T01:04:30.430636+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.3102v4","created_at":"2026-05-18T01:04:30.430636+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3102","created_at":"2026-05-18T01:04:30.430636+00:00"},{"alias_kind":"pith_short_12","alias_value":"E6OMKJAUVCBE","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_16","alias_value":"E6OMKJAUVCBECMFY","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_8","alias_value":"E6OMKJAU","created_at":"2026-05-18T12:28:25.294606+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/E6OMKJAUVCBECMFYQDFAPODAUN","json":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN.json","graph_json":"https://pith.science/api/pith-number/E6OMKJAUVCBECMFYQDFAPODAUN/graph.json","events_json":"https://pith.science/api/pith-number/E6OMKJAUVCBECMFYQDFAPODAUN/events.json","paper":"https://pith.science/paper/E6OMKJAU"},"agent_actions":{"view_html":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN","download_json":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN.json","view_paper":"https://pith.science/paper/E6OMKJAU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.3102&json=true","fetch_graph":"https://pith.science/api/pith-number/E6OMKJAUVCBECMFYQDFAPODAUN/graph.json","fetch_events":"https://pith.science/api/pith-number/E6OMKJAUVCBECMFYQDFAPODAUN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN/action/storage_attestation","attest_author":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN/action/author_attestation","sign_citation":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN/action/citation_signature","submit_replication":"https://pith.science/pith/E6OMKJAUVCBECMFYQDFAPODAUN/action/replication_record"}},"created_at":"2026-05-18T01:04:30.430636+00:00","updated_at":"2026-05-18T01:04:30.430636+00:00"}