Browsing Faculty of Science and Technology by Subject "quantum field theory"
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Inflation with stable anisotropic hair
(Journal article; Peer reviewed, 2011)Recently an inflationary model with a vector field coupled to the inflaton was proposed and the phenomenology studied for the Bianchi type I spacetime. It was found that the model demonstrates a counter-example to the ... -
Scattering amplitudes of massive Nambu-Goldstone bosons
(Journal article; Peer reviewed, 2018-01)Massive Nambu-Goldstone (mNG) bosons are quasiparticles the gap of which is determined exactly by symmetry. They appear whenever a symmetry is broken spontaneously in the ground state of a quantum many-body system and at ...