{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:2VCTTEFMPVFR45OLBADRGI3YEN","short_pith_number":"pith:2VCTTEFM","schema_version":"1.0","canonical_sha256":"d5453990ac7d4b1e75cb080713237823410c31ed7d98150faaafc20da8022143","source":{"kind":"arxiv","id":"2606.28664","version":1},"attestation_state":"computed","paper":{"title":"Temporal Dynamical Quantum Phase Transition in Dicke Model with Trapped Ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Han Pu, Ji Bian, Mengxiang Zhang, Rixin Yao, Wei Wu, Xu Cheng, Yiheng Lin, Yi Li, Yue Li, Yuqi Zhou, Zihan Xie","submitted_at":"2026-06-27T00:51:01Z","abstract_excerpt":"Temporal non-analyticities in the rate function of the Loschmidt echo manifests a class of dynamical quantum phase transitions (DQPTs) that has emerged as a powerful framework for understanding far-from-equilibrium many-body dynamics. While such DQPT has been extensively studied theoretically in spin-boson systems such as the Dicke model, their experimental observation remains elusive. In particular, the dynamics of DQPT in asymmetric spin subspaces and under the influence of spin dissipation are largely unexplored. Here, we report an experimental study of temporal DQPT in a generalized Dicke "},"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":"2606.28664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-27T00:51:01Z","cross_cats_sorted":[],"title_canon_sha256":"49f704379bb4c494108289a67c7c02aeb4844962c1ca7f96c8767167edae3509","abstract_canon_sha256":"906bc6cbfbc0a72228e6ab9facd012f61750ab646699cbbe33e10fb464820a09"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:16:46.519523Z","signature_b64":"X146c6lF+3IxfEtKNd4khgo2Q4H7tZlQG9Yif/sZdCN1MW/wsum5Uj/YfgZ6HCG11Lv+Qcqpm37rPPP6XFByDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5453990ac7d4b1e75cb080713237823410c31ed7d98150faaafc20da8022143","last_reissued_at":"2026-06-30T01:16:46.518787Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:16:46.518787Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Temporal Dynamical Quantum Phase Transition in Dicke Model with Trapped Ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Han Pu, Ji Bian, Mengxiang Zhang, Rixin Yao, Wei Wu, Xu Cheng, Yiheng Lin, Yi Li, Yue Li, Yuqi Zhou, Zihan Xie","submitted_at":"2026-06-27T00:51:01Z","abstract_excerpt":"Temporal non-analyticities in the rate function of the Loschmidt echo manifests a class of dynamical quantum phase transitions (DQPTs) that has emerged as a powerful framework for understanding far-from-equilibrium many-body dynamics. While such DQPT has been extensively studied theoretically in spin-boson systems such as the Dicke model, their experimental observation remains elusive. In particular, the dynamics of DQPT in asymmetric spin subspaces and under the influence of spin dissipation are largely unexplored. Here, we report an experimental study of temporal DQPT in a generalized Dicke "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28664","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.28664/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2606.28664","created_at":"2026-06-30T01:16:46.518875+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.28664v1","created_at":"2026-06-30T01:16:46.518875+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28664","created_at":"2026-06-30T01:16:46.518875+00:00"},{"alias_kind":"pith_short_12","alias_value":"2VCTTEFMPVFR","created_at":"2026-06-30T01:16:46.518875+00:00"},{"alias_kind":"pith_short_16","alias_value":"2VCTTEFMPVFR45OL","created_at":"2026-06-30T01:16:46.518875+00:00"},{"alias_kind":"pith_short_8","alias_value":"2VCTTEFM","created_at":"2026-06-30T01:16:46.518875+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/2VCTTEFMPVFR45OLBADRGI3YEN","json":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN.json","graph_json":"https://pith.science/api/pith-number/2VCTTEFMPVFR45OLBADRGI3YEN/graph.json","events_json":"https://pith.science/api/pith-number/2VCTTEFMPVFR45OLBADRGI3YEN/events.json","paper":"https://pith.science/paper/2VCTTEFM"},"agent_actions":{"view_html":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN","download_json":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN.json","view_paper":"https://pith.science/paper/2VCTTEFM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.28664&json=true","fetch_graph":"https://pith.science/api/pith-number/2VCTTEFMPVFR45OLBADRGI3YEN/graph.json","fetch_events":"https://pith.science/api/pith-number/2VCTTEFMPVFR45OLBADRGI3YEN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN/action/storage_attestation","attest_author":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN/action/author_attestation","sign_citation":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN/action/citation_signature","submit_replication":"https://pith.science/pith/2VCTTEFMPVFR45OLBADRGI3YEN/action/replication_record"}},"created_at":"2026-06-30T01:16:46.518875+00:00","updated_at":"2026-06-30T01:16:46.518875+00:00"}