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The cooling envelope model (CEM) provides a description of the circularized debris cloud and its emission over time well beyond circularization across different disruption parameters. In the CEM, sub-Eddington accretion rates occur early in TDEs and the debris has a shallow density profile of roughly $\\rho \\propto r^{-1}$, with Eddington accretion only being achieved after several months. 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The spectral properties and soft X-ray luminosity in our models are similar to the TDE AT2021ehb.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The initial magnetized torus accurately represents the late-stage debris from the cooling envelope model without requiring full self-consistent evolution from the initial stellar disruption; the simulations also assume standard ideal MHD and radiative cooling prescriptions whose validity at these densities is not re-derived here.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"GRRMHD simulations of TDE debris disks reveal thermal instability and collapse within weeks, producing soft X-ray excess followed by a sharp luminosity drop that resembles AT2021ehb observations.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"GRRMHD simulations show TDE disks become thermally unstable in 17-46 days, causing X-ray luminosity to drop by nearly 100 times.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"2c21c62f0bbd8e7a6aae4e898657cf34540a5dd2306371db6cc5f7ed6d7e27fd"},"source":{"id":"2604.23916","kind":"arxiv","version":2},"verdict":{"id":"3f98b8af-1bd7-421e-a667-9b16a86fcace","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-08T02:19:05.423911Z","strongest_claim":"We find that the disk becomes thermally unstable within 17.1-46.5 days depending on the spin of the BH. 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