Vanadium 50 said:I also think you are in way over your head trying to study cosmology without having the prerequisites down cold
Arman777 said:you are right yes,
Did you try Tong?Arman777 said:I am trying to find some nice explanatory books about cosmological perturbation theory. I looked at Longair, Peacock, and Liddle. Even their level is nice, it seems to me that they are explaining things in a bit complicated way. Is there a nice textbook, articles, lecture notes that you guys can recommend.
Thanks
It seems nice. Thanks a lotDemystifier said:Did you try Tong?
http://www.damtp.cam.ac.uk/user/tong/cosmo.html
Cosmological density perturbations refer to small fluctuations in the density of matter in the universe. These fluctuations are believed to have been present in the early universe and are thought to have played a crucial role in the formation of large-scale structures such as galaxies and galaxy clusters.
Studying cosmological density perturbations can provide valuable insights into the evolution of the universe and the formation of structures within it. They can also help us understand the nature of dark matter and dark energy, two mysterious components that make up a large portion of the universe.
Cosmological density perturbations are believed to have formed during the inflationary period of the early universe. Quantum fluctuations at this time were amplified and stretched out as the universe expanded, leading to the formation of these density perturbations.
There are several techniques used to study cosmological density perturbations, including observations of the cosmic microwave background radiation, galaxy surveys, and simulations using supercomputers. These techniques allow scientists to map out the distribution of matter in the universe and study the properties of density perturbations.
Understanding cosmological density perturbations can help us make predictions about the future of the universe and its evolution. It can also aid in the development of more accurate cosmological models and potentially lead to new discoveries about the nature of dark matter and dark energy.