LOG#238. Cosmostuff.

Cosmology is facing again some troubles. Some estimations of the Hubble parameter differ up to four standard deviations from the accepted value. Even when a few km/s/Mpc are not quite a huge difference, it turns than they can provide anomalies … Continue reading

LOG#134. Chaplygin gas.

Warm Dark Matter candidates: neutrinos, axions, extra relativistic species currently unknown. Cold Dark Matter candidates: many. Pick one (or many!): Z primes, the lightest supersymmetric particle (LSP), gravitino, gaugino, neutralino, ELKO fields, Majorana spinors, the infinite component Majorana field, unparticles, … Continue reading

LOG#128. A chaosmic TSOR returns.

2) I recommend you not to use Internet Explorer. It seems that Explorer does not scale the images very well. Moreover, Explorer seems to be bad working with LaTeX code I use here. So, please, use any other web browser … Continue reading

LOG#111. Basic Cosmology (VI).

The topic today: problems in the Standard Cosmological Model (LCDM), inflation and scalar fields! STANDARD COSMOLOGICAL MODEL: ISSUES Despite the success of the Standard Cosmological model (or LCDM), today it is widely accepted that it is not complete, even if … Continue reading