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hep-th2024★ 2 cited
PSALTer: Particle Spectrum for Any Tensor Lagrangian
Will Barker, Carlo Marzo, Claire Rigouzzo
We present the PSALTer software for efficiently computing the mass and energy of the particle spectrum for any (e.g. higher-rank) tensor field theory in the Wolfram Language. The u…
hep-th2024
Particle spectra of general Ricci-type Palatini or metric-affine theories
W. Barker, C. Marzo
In the context of weak-field metric-affine (i.e. Palatini) gravity near Minkowski spacetime, we compute the particle spectra in the simultaneous presence of all independent contrac…
hep-th2024
Can MAG be a predictive EFT? Radiative Stability and Ghost Resurgence in Massive Vector Models
Carlo Marzo
The rigorous conditions to obtain sensible predictions in non (proper) renormalizable Quantum Field Theories were derived a long time ago, most notably in the works of Steven Weinb…