{"paper":{"title":"Anisotropic electron damping and energy gap in Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Genda Gu, Ilya Drozdov, Ivan Bozovic, Jiemin Li, Jonathan Pelliciari, Mark P. M. Dean, Takami Tohyama, Takemi Yamada, Tonica Valla, Valentina Bisogni, Yanhong Gu, Zebin Wu","submitted_at":"2025-05-27T19:20:43Z","abstract_excerpt":"The many body electron-electron interaction in cuprates causes the broadening of the electronic bands in \\textit{\\textbf{k}}-space, leading to a deviation from the standard Fermi liquid. While a \\textit{\\textbf{k}}-dependent anisotropic electronic scattering (\\textit{\\textbf{k}}-DAES) has been assessed by photoemission, its fingerprint in \\textit{\\textbf{Q}}-space has been scarcely considered. Here, we explore the \\textit{\\textbf{Q}}-dependent electron dynamics in optimally doped Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$ through the evolution of low-energy charge excitations as measured by resonant i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.21687","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/2505.21687/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"}