{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:52K46DLSRLYSDQAUMK2N7BA3JH","short_pith_number":"pith:52K46DLS","schema_version":"1.0","canonical_sha256":"ee95cf0d728af121c01462b4df841b49d3211270815e91895cd4942ff0745350","source":{"kind":"arxiv","id":"2507.16882","version":1},"attestation_state":"computed","paper":{"title":"Many-body delocalization with a two-dimensional 70-qubit superconducting quantum simulator","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Bozhen Zhou, Cai-Ping Fang, Cheng-Lin Deng, Chi-Tong Chen, Da'er Feng, Dongning Zheng, Guangming Xue, Gui-Han Liang, Haifeng Yu, Hao Li, Hao-Tian Liu, Heng Fan, Jia-Cheng Song, Jia-Chi Zhang, Junrui Deng, Kai Xu, Kaixuan Huang, Kui Zhao, Li Li, Mingyu Xu, Piotr Sierant, Si-Yun Zhou, Tian-Ming Li, Yang He, Yan-Jun Liu, Yi-Han Yu, Yong-Yi Wang, Yue-Shan Xu, Yu Liu, Yun-Hao Shi, Yu-Tao Chen, Zheng-An Wang, Zheng-Hang Sun, Zheng-He Liu, Zhen-Ting Bao, Zhen-Yu Peng, Zhong-Cheng Xiang, Ziting Wang","submitted_at":"2025-07-22T16:02:05Z","abstract_excerpt":"Quantum many-body systems with sufficiently strong disorder can exhibit a non-equilibrium phenomenon, known as the many-body localization (MBL), which is distinct from conventional thermalization. While the MBL regime has been extensively studied in one dimension, its existence in higher dimensions remains elusive, challenged by the avalanche instability. Here, using a 70-qubit two-dimensional (2D) superconducting quantum simulator, we experimentally explore the robustness of the MBL regime in controlled finite-size 2D systems. We observe that the decay of imbalance becomes more pronounced wit"},"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":"2507.16882","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T16:02:05Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.stat-mech"],"title_canon_sha256":"57165cc339f1862ff3ffb3422dba1e5a861b86087af027d2daa8c72ae6b9c2b0","abstract_canon_sha256":"609dc7af43426db3672738f950f3dd9ba9943a6352ff4de89c36347e54c13323"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:41:57.848218Z","signature_b64":"OOau+CLerwxaHQ06cR+QZKDJIRhUz69MksXNwPYzgZFq/YhQRpH87prZ81iOcDfbDCl/H9LQ1zeNanLcsT54Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee95cf0d728af121c01462b4df841b49d3211270815e91895cd4942ff0745350","last_reissued_at":"2026-07-05T11:41:57.847743Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:41:57.847743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Many-body delocalization with a two-dimensional 70-qubit superconducting quantum simulator","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Bozhen Zhou, Cai-Ping Fang, Cheng-Lin Deng, Chi-Tong Chen, Da'er Feng, Dongning Zheng, Guangming Xue, Gui-Han Liang, Haifeng Yu, Hao Li, Hao-Tian Liu, Heng Fan, Jia-Cheng Song, Jia-Chi Zhang, Junrui Deng, Kai Xu, Kaixuan Huang, Kui Zhao, Li Li, Mingyu Xu, Piotr Sierant, Si-Yun Zhou, Tian-Ming Li, Yang He, Yan-Jun Liu, Yi-Han Yu, Yong-Yi Wang, Yue-Shan Xu, Yu Liu, Yun-Hao Shi, Yu-Tao Chen, Zheng-An Wang, Zheng-Hang Sun, Zheng-He Liu, Zhen-Ting Bao, Zhen-Yu Peng, Zhong-Cheng Xiang, Ziting Wang","submitted_at":"2025-07-22T16:02:05Z","abstract_excerpt":"Quantum many-body systems with sufficiently strong disorder can exhibit a non-equilibrium phenomenon, known as the many-body localization (MBL), which is distinct from conventional thermalization. While the MBL regime has been extensively studied in one dimension, its existence in higher dimensions remains elusive, challenged by the avalanche instability. Here, using a 70-qubit two-dimensional (2D) superconducting quantum simulator, we experimentally explore the robustness of the MBL regime in controlled finite-size 2D systems. We observe that the decay of imbalance becomes more pronounced wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16882","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/2507.16882/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":"2507.16882","created_at":"2026-07-05T11:41:57.847800+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.16882v1","created_at":"2026-07-05T11:41:57.847800+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16882","created_at":"2026-07-05T11:41:57.847800+00:00"},{"alias_kind":"pith_short_12","alias_value":"52K46DLSRLYS","created_at":"2026-07-05T11:41:57.847800+00:00"},{"alias_kind":"pith_short_16","alias_value":"52K46DLSRLYSDQAU","created_at":"2026-07-05T11:41:57.847800+00:00"},{"alias_kind":"pith_short_8","alias_value":"52K46DLS","created_at":"2026-07-05T11:41:57.847800+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.02721","citing_title":"Simulating Condensed Matter Physics on Quantum Hardware","ref_index":222,"is_internal_anchor":false},{"citing_arxiv_id":"2601.03694","citing_title":"Interference-Induced Suppression of Doublon Transport and Prethermalization in the Extended Bose-Hubbard Model","ref_index":26,"is_internal_anchor":false},{"citing_arxiv_id":"2601.01309","citing_title":"Hilbert space signatures of non-ergodic glassy dynamics","ref_index":53,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH","json":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH.json","graph_json":"https://pith.science/api/pith-number/52K46DLSRLYSDQAUMK2N7BA3JH/graph.json","events_json":"https://pith.science/api/pith-number/52K46DLSRLYSDQAUMK2N7BA3JH/events.json","paper":"https://pith.science/paper/52K46DLS"},"agent_actions":{"view_html":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH","download_json":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH.json","view_paper":"https://pith.science/paper/52K46DLS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.16882&json=true","fetch_graph":"https://pith.science/api/pith-number/52K46DLSRLYSDQAUMK2N7BA3JH/graph.json","fetch_events":"https://pith.science/api/pith-number/52K46DLSRLYSDQAUMK2N7BA3JH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH/action/storage_attestation","attest_author":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH/action/author_attestation","sign_citation":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH/action/citation_signature","submit_replication":"https://pith.science/pith/52K46DLSRLYSDQAUMK2N7BA3JH/action/replication_record"}},"created_at":"2026-07-05T11:41:57.847800+00:00","updated_at":"2026-07-05T11:41:57.847800+00:00"}