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gr-qc2023★ 5 cited
Hamiltonian formalism for cosmological perturbations: fixing the gauge
Danilo Artigas, Julien Grain, Vincent Vennin
Cosmological perturbation theory is an example of a gauge theory, where gauge transformations correspond to changes in the space-time coordinate system. To determine physical quant…
gr-qc2023★ 3 cited
Squeezing of light from Planck-scale physics
Danilo Artigas, Killian Martineau, Jakub Mielczarek
In this article, the possibility of generating non-classical light due to Planck-scale effects is considered. For this purpose, a widely studied model of deformation of the Heisenb…