https://hackerpaper.kaipfister.de/p/2306.07628/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=43964524urn:hackerpapers:mention:2306.07628:43964524Mon, 12 May 2025 16:03:09 GMT<p>It&#x27;s nonsense. See this comment on their previous paper: https://arxiv.org/abs/2306.07628 The authors of the comment show that the &quot;gravitational pair-production&quot; rate used in the work in OP comes from truncating the covariant heat-kernel (proper-time) expansion of the one-loop effective action at second order in curvature, an approximation that is valid only in weak-field regions where all curvature invariants satisfy |R| · ℓ² ≪ 1 (where ℓ is the Compton wavelength). When that same expression is pushed into the high-curvature interior of a neutron star -- where the inequalities fail by many…</p><p><a href="https://hackerpaper.kaipfister.de/p/2306.07628/">Paper and discussion history</a>. A mention is not an endorsement.</p>gr-qc