{"paper":{"title":"Kerr black holes with self-interacting scalar hair: hairier but not heavier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos A. R. Herdeiro, Eugen Radu, Helgi R\\'unarsson","submitted_at":"2015-09-09T20:14:40Z","abstract_excerpt":"The maximal ADM mass for (mini-)boson stars (BSs) -- gravitating solitons of Einstein's gravity minimally coupled to a free, complex, mass $\\mu$, Klein-Gordon field -- is $M_{\\rm ADM}^{\\rm max}\\sim M_{Pl}^2/\\mu$. Adding quartic self-interactions to the scalar field theory, described by the Lagrangian $\\mathcal{L}_I=\\lambda |\\Psi|^4$, the maximal ADM mass becomes $M_{\\rm ADM}^{\\rm max}\\sim \\sqrt{\\lambda}M_{Pl}^3/\\mu^2$. Thus, for mini-BSs, astrophysically interesting masses require ultra-light scalar fields, whereas self-interacting BSs can reach such values for bosonic particles with Standard "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02923","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":""},"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"}