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- W4360836764 abstract "The dust ball collapse is studied in the context of the rainbow metric approach (where the matter content is supplemented with a scalar field perturbation) to the Oppenheimer-Snyder collapse scenario within the framework of loop quantum cosmology. The global spacetime structure is determined for this scenario and subsequently used to evaluate the entanglement entropy via a slight adaptation of existing formulas. The resulting model is shown to qualitatively resemble the Reissner-Nordstrom black hole spacetime, in particular, it still contains singularities, which allows us to define the entropy only for portions of the null infinity. The consequence of these results for the black hole information loss paradox is discussed. Furthermore, the results in presence of the scalar field are used in discussion regarding the viability of the selected scenario, in particular, the assumption of stationarity used to determine the exterior metric." @default.
- W4360836764 created "2023-03-25" @default.
- W4360836764 creator A5037378552 @default.
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- W4360836764 date "2023-03-22" @default.
- W4360836764 modified "2023-09-26" @default.
- W4360836764 title "Rainbow Oppenheimer-Snyder collapse and the entanglement entropy production" @default.
- W4360836764 doi "https://doi.org/10.48550/arxiv.2303.12708" @default.
- W4360836764 hasPublicationYear "2023" @default.
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