Browsing NTNU Open by Author "Sanchez Garcia, Alfredo Ignacio"
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Goldstone bosons at finite density - Study of spontaneous symmetry breaking in O(N)-symmetric theories at finite chemical potential
Sanchez Garcia, Alfredo Ignacio (Master thesis, 2017)Goldstone s theorem states that, in presence of Lorentz invariance, the number of massless modes that appear after spontaneous symmetry breaking coincides with the number of broken generators. These modes are called Goldstone ...