MG13 - Talk detail |
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Participant |
Bondarescu, Ruxandra | |||||||
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Institution |
ITP Zurich - Winterthurerstrasse 190 - Zurich - - Switzerland | |||||||
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Session |
BH4 |
Accepted |
Yes |
Order |
14 |
Time |
18:25 - 18:40 | |
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Talk |
Oral abstract |
Title |
The Physics of the Far Future | |||||
| Co-authors | Andrew P Lundgren (AEI Hannover, Germany), Mihai Bondarescu (University of Mississippi, USA; Universitatea de Vest, Romania) | |||||||
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Abstract |
In this talk I will focus on the gravitational thermodynamics of the far future. The second law of thermodynamics, which states that the entropy always increases, can help us predict the end state of the universe. In due time most matter will be diluted away by the cosmological expansion, with the rest collapsing into supermassive black holes. The likely future state of our local universe is a supermassive black hole slowly evaporating in an empty universe dominated by a positive cosmological constant. I will describe the non-equilibrium thermodynamics of this process, showing that entropy is produced by heat from the black hole flowing across the very cold cosmological horizon. The space with the highest entropy is flat Minkowski space, which has divergent entropy. The Talk is based on ArXiv:1201.1298. |
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