Archive for April, 2008
31. Schwinger-Keldysh: brief review (Nonequilibrium diagrammatic methods 1)
I briefly discuss what physical problems require the use of non-equilibrium diagr. QFT methods. I also review the structure of Green functions in SK formalism.
30. Eye on ArXiv: 30 Apr 2008 - Effective QFT for inflation
Today, I think, the most interesting paper in ArXiv is the one by Steven Weinberg called “Effective field theory for inflation“. I would say, it generalizes results by Cheung et al. (…)






