LOG#141. Basic QFT in curved ST(I).

This post begins a thread about Quantum Field Theory (QFT) in curved spacetime (ST). They are based on some of my notes about the subject. Enjoy it! I. LIMITS FROM QUANTUM MECHANICS AND GENERAL RELATIVITY. The Einstein-Hilbert action in General … Continue reading

LOG#139. The Higgs and beyond.

The discovery of the Higgs boson in 2012 rises new questions: 1º) Is it the SM Higgs or an impostor? It seems like a SM Higgs but…We don’t know yet for sure. 2º) Is it the ONLY Higgs-like particle or … Continue reading

LOG#137. Unparticles.

One of the most interesting ideas of the last years between theoretical particle physicists came from conformal field theories (CFT). In their last incarnation, Georgi’s unparticles. What is an unparticle? Georgi, a very known and respected theoretical physicist, speculates about … Continue reading