{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"ebd1e6ad1180f843c83149bcfc737037f738b5211089a6030114daf7b6ab0e78","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"ec2e48ec713232566475f8654fb52e16f59d166611dac61498ba2cf2ae127f1b","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.chaos-scrambling","field":"cm","n":"1","review_cite":"S. Xu, B. Swingle, Scrambling dynamics and out-of-time-ordered correlators in quantum many-body systems, PRX Quantum, 2024","review_link":"https://doi.org/10.1103/PRXQuantum.5.010201","review_verified":"true","summary":"In a chaotic quantum system a small local disturbance spreads until it involves the whole system, scrambling information. This spreading is measured by out-of-time-order correlators (OTOCs), and a conjectured universal limit bounds how fast it can grow.","title":"Many-body quantum chaos and operator growth","topic_ref":null,"why":"Scrambling connects black holes, transport in metals and the difficulty of simulating quantum systems."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"c681d6b7c25d1a7c6ef6a216819426033bd04126d74656c004cc4a70c0ac92e1","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"c391024fd8dd9a780d845c61af9dac84ca56c2c5ed0ad54827d2dd6490345d33","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"ngQzAuUDQKCxKnm1p2xbDxL7IkqbiC2i3NwQaazo-jMD5ppQH2T96aTSZlZ1Tn9fU9C8LQNTeEWcjsqPaTG2BA"},"schema":"pubphys.envelope/1"},"record_hash":"c681d6b7c25d1a7c6ef6a216819426033bd04126d74656c004cc4a70c0ac92e1","leaf_index":118}