{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:7M632UYVPJ2INDNOBSEVL23TUI","short_pith_number":"pith:7M632UYV","schema_version":"1.0","canonical_sha256":"fb3dbd53157a74868dae0c8955eb73a2173f9bc069d52cc51665e8e3a831bbad","source":{"kind":"arxiv","id":"1901.01174","version":1},"attestation_state":"computed","paper":{"title":"Interaction effects on $\\mathcal{PT}$-symmetry breaking transition in atomic gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Zhenhua Yu, Ziheng Zhou","submitted_at":"2019-01-04T15:29:30Z","abstract_excerpt":"Non-Hermitian systems having parity-time ($\\mathcal {PT}$) symmetry can undergo a transition, spontaneously breaking the symmetry. Ultracold atomic gases provide an ideal platform to study interaction effects on the transition. We consider a model system of $N$ bosons of two components confined in a tight trap. Radio frequency and laser fields are coupled to the bosons such that the single particle Non-Hermitian Hamiltonian $h_{\\mathcal PT}=-i \\Gamma\\sigma_z+J\\sigma_x$, which has $\\mathcal {PT}$-symmetry, can be simulated in a \\emph{passive} way. We show that when interatomic interactions 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":"1901.01174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-01-04T15:29:30Z","cross_cats_sorted":[],"title_canon_sha256":"319879550ebd56269f28a7c40cd56a4f438de2b409d5483292b644632d5f2c52","abstract_canon_sha256":"a10bbf9bffec61343a2c487f9ee3ca2615aec90d71caf38ea834818cec7a6fe6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:31.009794Z","signature_b64":"uCsSRkeJfy60+dJ6I7Rhjt7kzIZXVh9zGRsHu4E1OqBElxKD2EsxikVwfQTPhnb6Kp3nPVMlFprUzT/GRTALAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb3dbd53157a74868dae0c8955eb73a2173f9bc069d52cc51665e8e3a831bbad","last_reissued_at":"2026-05-17T23:48:31.009179Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:31.009179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interaction effects on $\\mathcal{PT}$-symmetry breaking transition in atomic gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Zhenhua Yu, Ziheng Zhou","submitted_at":"2019-01-04T15:29:30Z","abstract_excerpt":"Non-Hermitian systems having parity-time ($\\mathcal {PT}$) symmetry can undergo a transition, spontaneously breaking the symmetry. Ultracold atomic gases provide an ideal platform to study interaction effects on the transition. We consider a model system of $N$ bosons of two components confined in a tight trap. Radio frequency and laser fields are coupled to the bosons such that the single particle Non-Hermitian Hamiltonian $h_{\\mathcal PT}=-i \\Gamma\\sigma_z+J\\sigma_x$, which has $\\mathcal {PT}$-symmetry, can be simulated in a \\emph{passive} way. We show that when interatomic interactions are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01174","kind":"arxiv","version":1},"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":"1901.01174","created_at":"2026-05-17T23:48:31.009254+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.01174v1","created_at":"2026-05-17T23:48:31.009254+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01174","created_at":"2026-05-17T23:48:31.009254+00:00"},{"alias_kind":"pith_short_12","alias_value":"7M632UYVPJ2I","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"7M632UYVPJ2INDNO","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"7M632UYV","created_at":"2026-05-18T12:33:12.712433+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/7M632UYVPJ2INDNOBSEVL23TUI","json":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI.json","graph_json":"https://pith.science/api/pith-number/7M632UYVPJ2INDNOBSEVL23TUI/graph.json","events_json":"https://pith.science/api/pith-number/7M632UYVPJ2INDNOBSEVL23TUI/events.json","paper":"https://pith.science/paper/7M632UYV"},"agent_actions":{"view_html":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI","download_json":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI.json","view_paper":"https://pith.science/paper/7M632UYV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.01174&json=true","fetch_graph":"https://pith.science/api/pith-number/7M632UYVPJ2INDNOBSEVL23TUI/graph.json","fetch_events":"https://pith.science/api/pith-number/7M632UYVPJ2INDNOBSEVL23TUI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI/action/storage_attestation","attest_author":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI/action/author_attestation","sign_citation":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI/action/citation_signature","submit_replication":"https://pith.science/pith/7M632UYVPJ2INDNOBSEVL23TUI/action/replication_record"}},"created_at":"2026-05-17T23:48:31.009254+00:00","updated_at":"2026-05-17T23:48:31.009254+00:00"}