46 citations · 292 across the 24 of their papers we have counts for
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hep-th2020
Ghost condensation and Ostrogradskian instability on low derivative backgrounds
Justo Lopez-Sarrion, Mauricio Valencia-Villegas
We show a new class of interaction terms with higher derivatives that can be added to every low derivative real scalar, such that the theory is degenerate, and the equation of moti…
hep-th2020★ 2 cited
Non-Perturbative Aspects of Spontaneous Symmetry Breaking
Jorge Gamboa, Justo Lopez-Sarrion
Spontaneous symmetry breaking is studied in the ultralocal limit of a scalar quantum field theory, that is when (or infrared limit). In this limit we show that a $ φ^4…