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10 p, 449.9 KB Strategies to Ascertain the Sign of the Spatial Curvature / Ferreira, Pedro C. (Universidade Federal do Rio Grande do Norte. Escola de Ciências e Tecnologia) ; Pavón Coloma, Diego (Universitat Autònoma de Barcelona. Departament de Física)
The second law of thermodynamics, in the presence of gravity, is known to hold at small scales, as in the case of black holes and self-gravitating radiation spheres. Using the Friedmann–Lemaître–Robertson–Walker metric and the history of the Hubble factor, we argue that this law also holds at cosmological scales. [...]
2016 - 10.3390/universe2040027
Universe, Vol. 2 Núm. 4 (November 2016) , p. 1-10  

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