{"paper":{"title":"Probing small-scale power spectrum with gravitational-wave diffractive lensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Han Gil Choi, Sunghoon Jung, Sungjung Kim","submitted_at":"2025-01-24T20:12:32Z","abstract_excerpt":"We develop a novel way to probe subgalactic-scale matter distribution with diffractive lensing on gravitational waves. Five-year observations from Einstein Telescope and DECIGO are expected to probe $k= 10^5\\sim 10^8 \\,{\\rm Mpc}^{-1}$ down to $P(k) = 10^{-16} \\sim 10^{-14} \\,{\\rm Mpc}^3$ level. These results can be interpreted in terms of primordial black holes in the range $M_{\\rm PBH} \\gtrsim 10^{-3}M_\\odot$ down to $f_{\\rm PBH} = 10^{-6}$ level, or QCD axion minihalos in the range $m_a = 10^{-3} \\sim 10^{-12} \\,{\\rm eV}$. A key result of the paper is the approximate relation between the sca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.14904","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/2501.14904/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"}