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Skip to Search Results- 2Black Holes
- 1De Sitter
- 1Gravitational Physics
- 1Horava-Lifshitz gravity
- 1Matrix Models
- 1Quantum Gravity
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Spring 2013
In the first part of the thesis, we study the minimally-coupled massless scalar field in de Sitter spacetime. Because of the non-linear nature of general relativity, the direct analysis of the graviton is very complicated. So, we use the scalar field as an analogue to the graviton, and shift...
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Spring 2019
In this thesis we aim to reveal characteristics of quantum gravity mainly from two different perspectives. In the first part we focus on quantum aspects of black holes, in particu- lar, the firewall paradox and nonlocality of quantum gravity. We present an explicit toy qubit transport model for...
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Spring 2017
One of the methods of study of black holes in astrophysics is based on broaden- ing of the spectrum of radiation of ionized iron atoms. The line Kα associated with iron emission at 6.4 keV is very narrow. If such an ion is revolving around a black hole, this line is effectively broadened as a...