{"paper":{"title":"Wave packets from the spectrum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"quant-ph","authors_text":"Ashmeet Singh, ChunJun Cao, Marin Girard, Nicolas Loizeau, Oliver Friedrich","submitted_at":"2026-06-08T18:00:07Z","abstract_excerpt":"The freedom to change Fock basis seems to ensure a minimum amount of locality in lattice theories in the following sense: If $\\lbrace (\\hat a_i^\\dagger\\,,\\,\\hat a_i)\\rbrace$ for $i=1,\\dots,n$ is a lattice of creation and annihilation operators and if a given Hamiltonian $\\hat H$ induces highly non-local dynamics on that lattice, then it will usually be possible to change to a new set of operators $\\lbrace (\\hat b_i^\\dagger\\,,\\,\\hat b_i)\\rbrace$ in terms of which the dynamics appear less non-local. We demonstrate this by turning a highly non-local random matrix model into a local, 1D lattice th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10004","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/2606.10004/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"}