{"paper":{"title":"Out of equilibrium response and fluctuation-dissipation violations across scales in flocking systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"(2) Dipartimento di Fisica, 3, 3), (3) Istituto Sistemi Complessi, 4), (4) INFN, (5) Instituto de Fisica de Liquidos y Sistemas Biologicos (IFLySiB), 6, (6) CCT CONICET La Plata, 7, (7) Departamento de F{\\i}sica, (8) Max Planck Institute for Dynamics, Consejo Nacional de Investigaciones Cientificas y Tecnicas, Consiglio Nazionale delle Ricerche, Facultad de Ciencias Exactas, Federica Ferretti (1), Giulia Pisegna (8), Irene Giardina (2, Mario Veca (2) ((1) Department of Chemical Engineering, Massachusetts Institute of Technology, Self-Organization (MPI-DS)), Tomas Grigera (5, Unit\\`a di Roma 1, Universidad Nacional de La Plata, Universit\\`a Sapienza, UOS Sapienza","submitted_at":"2024-05-21T15:43:25Z","abstract_excerpt":"Flocking systems are known to be strongly out of equilibrium. Energy input occurs at the individual level to ensure self-propulsion, and the individual motility in turn contributes to ordering, enhancing information propagation and strengthening collective motion. However, even beyond ordering, a crucial feature of natural aggregations is response. How, then, do off-equilibrium features affect the response of the system? In this work, we consider a minimal model of flocking and investigate response behavior under directional perturbations. We show that equilibrium dynamical fluctuation-dissipa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.12874","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/2405.12874/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"}