{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:OMAFHOSCAZ3DTFGAJB3JJIFLQS","short_pith_number":"pith:OMAFHOSC","schema_version":"1.0","canonical_sha256":"730053ba4206763994c0487694a0ab84bb6aa635477db20e490faa9c4edccc39","source":{"kind":"arxiv","id":"2505.20593","version":2},"attestation_state":"computed","paper":{"title":"Measurement-Induced Dynamical Quantum Thermalization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Anna Posazhennikova, Johann Kroha, Marvin Lenk, Sayak Biswas","submitted_at":"2025-05-27T00:08:55Z","abstract_excerpt":"One of the fundamental problems of quantum statistical physics is how an ideally isolated quantum system can ever reach thermal equilibrium behavior despite the unitary time evolution of quantum-mechanical systems. Here, we study, via explicit time evolution for the generic model system of an interacting, trapped Bose gas with discrete single-particle levels, how the measurement of one or more observables subdivides the system into observed and non-observed Hilbert subspaces and the tracing over the non-measured quantum numbers defines an effective, thermodynamic bath, induces the entanglement"},"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":"2505.20593","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T00:08:55Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"820b01f6a2d14afdea53b5e588ea14ed7b5272635e9b0cf4f2997268803abc2f","abstract_canon_sha256":"871f44c40c111a9d4b6a16af588a6656b02911c8b29e057bf374249278477319"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:25:45.170628Z","signature_b64":"qStI7ozZ0pFVOnaUpM8sMxA0B+xQPfui/pjKZWPJiQ4AiCNTAR5iMS7r8znM4J7b8WaBE+HeHClg3mOOAnWaAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"730053ba4206763994c0487694a0ab84bb6aa635477db20e490faa9c4edccc39","last_reissued_at":"2026-07-05T11:25:45.170102Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:25:45.170102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement-Induced Dynamical Quantum Thermalization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Anna Posazhennikova, Johann Kroha, Marvin Lenk, Sayak Biswas","submitted_at":"2025-05-27T00:08:55Z","abstract_excerpt":"One of the fundamental problems of quantum statistical physics is how an ideally isolated quantum system can ever reach thermal equilibrium behavior despite the unitary time evolution of quantum-mechanical systems. Here, we study, via explicit time evolution for the generic model system of an interacting, trapped Bose gas with discrete single-particle levels, how the measurement of one or more observables subdivides the system into observed and non-observed Hilbert subspaces and the tracing over the non-measured quantum numbers defines an effective, thermodynamic bath, induces the entanglement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.20593","kind":"arxiv","version":2},"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/2505.20593/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":"2505.20593","created_at":"2026-07-05T11:25:45.170157+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.20593v2","created_at":"2026-07-05T11:25:45.170157+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.20593","created_at":"2026-07-05T11:25:45.170157+00:00"},{"alias_kind":"pith_short_12","alias_value":"OMAFHOSCAZ3D","created_at":"2026-07-05T11:25:45.170157+00:00"},{"alias_kind":"pith_short_16","alias_value":"OMAFHOSCAZ3DTFGA","created_at":"2026-07-05T11:25:45.170157+00:00"},{"alias_kind":"pith_short_8","alias_value":"OMAFHOSC","created_at":"2026-07-05T11:25:45.170157+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/OMAFHOSCAZ3DTFGAJB3JJIFLQS","json":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS.json","graph_json":"https://pith.science/api/pith-number/OMAFHOSCAZ3DTFGAJB3JJIFLQS/graph.json","events_json":"https://pith.science/api/pith-number/OMAFHOSCAZ3DTFGAJB3JJIFLQS/events.json","paper":"https://pith.science/paper/OMAFHOSC"},"agent_actions":{"view_html":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS","download_json":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS.json","view_paper":"https://pith.science/paper/OMAFHOSC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.20593&json=true","fetch_graph":"https://pith.science/api/pith-number/OMAFHOSCAZ3DTFGAJB3JJIFLQS/graph.json","fetch_events":"https://pith.science/api/pith-number/OMAFHOSCAZ3DTFGAJB3JJIFLQS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS/action/storage_attestation","attest_author":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS/action/author_attestation","sign_citation":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS/action/citation_signature","submit_replication":"https://pith.science/pith/OMAFHOSCAZ3DTFGAJB3JJIFLQS/action/replication_record"}},"created_at":"2026-07-05T11:25:45.170157+00:00","updated_at":"2026-07-05T11:25:45.170157+00:00"}