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  1. 15 de sept. de 2024 · Read online or download for free from Z-Library the Book: Holes, Author: Louis Sachar, Publisher: Thorndike Press, ISBN: 9780786221868, Year: 1999, Language: English, Format: EPUB, Filesize: 228 KB.

  2. 15 de sept. de 2024 · Read online or download for free from Z-Library the Book: Holes, Author: Louis Sachar, ISBN: 9780440419464, Year: 2003, Language: English, Format: PDF, Filesize: 1020 KB.

  3. Hace 4 días · Spontaneous scalarization in Einstein-scalar-Gauss-Bonnet theory admits both vacuum-general relativity (GR) and scalarized hairy black holes as valid solutions, which provides a distinctive signature of new physics in strong gravity regime. In this paper, we shall examine the optical features of Gauss-Bonnet black holes with spontaneous scalarization, which is governed by the coupling ...

  4. 26 de sept. de 2024 · Despite recent innovations in hole transport layers (HTLs) that have significantly improved the efficiency and stability of lead-based PSCs, an effective HTL tailored for Sn-Pb NBG PSCs remains an unmet need. This review highlights the essential role of HTLs in enhancing the performance of Sn-Pb PSCs, focusing on their ability to mitigate non ...

  5. Hace 2 días · This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms. Introduction Comparisons of large and small black holes in galaxy OJ 287 to the Solar System

  6. Hace 3 días · View PDF HTML (experimental) Abstract: In this paper, we investigate the topological charge and the conditions for the existence of the photon sphere (PS) in Kiselev-AdS black holes within \(f(R, T)\) gravity. We employ two different methods based on Duan's topological current \(\phi\)-mapping theory viz analize of temperature and the generalized Helmholtz free energy methods to study the ...

  7. Hace 1 día · Extreme mass ratio inspirals (EMRIs) occur when stellar-mass compact objects begin a gravitational wave (GW) driven inspiral into massive black holes. EMRI waveforms can precisely map the surrounding spacetime, making them a key target for future space-based GW interferometers such as LISA, but their event rates and parameters are massively uncertain. One of the largest uncertainties is the ...

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