Causal patch
In this article, we will thoroughly explore Causal patch and its impact on different areas of life. From its origins to its presence in today's society, Causal patch has played a fundamental role in the way we interact, work and relate to the world around us. Through detailed analysis, we will examine the different perspectives and opinions regarding Causal patch, as well as its evolution over time. This article seeks to provide a complete and multidimensional view of Causal patch, allowing readers to better understand its importance and significance in various contexts.
A causal patch is a region of spacetime connected within the relativistic framework of causality (causal light cones).
Background
After Leonard Susskind proposed the black hole complementarity conjecture for black holes in quantum gravity, he realized it would also apply to a de Sitter universe with a positive cosmological constant with the cosmological horizon in place of the event horizon. The region within the horizon is the causal patch,[1][2] and it is self-contained. This means we may neglect what happens beyond the cosmological horizon. A consequence of this radical conjecture is that the total number of states of the universe is finite.
References
- ^ Dyson, Lisa; Kleban, Matthew; Susskind, Leonard (October 2002). "Disturbing Implications of a Cosmological Constant". Journal of High Energy Physics. 2002 (10): 011. arXiv:hep-th/0208013. Bibcode:2002JHEP...10..011D. doi:10.1088/1126-6708/2002/10/011. S2CID 2344440.
- ^ Goheer, Naureen; Kleban, Matthew; Susskind, Leonard (July 2003). "The Trouble with de Sitter Space". Journal of High Energy Physics. 2003 (7): 056. arXiv:hep-th/0212209. Bibcode:2003JHEP...07..056G. doi:10.1088/1126-6708/2003/07/056. S2CID 12766264.
See also
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