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Comment on the choice of time in a two-component formulation of the wheeler-dewitt equation
(World Scientific, 2007-12)
The two-component formalism in quantum cosmology is revisited with a particular emphasis on the identification of time. Its relation with the appearance of imaginary eigenvalues is established. It is explicitly shown how ...
Higher derivative supersymmetric FRW cosmology
(Benemérita Universidad Autónoma de Puebla, 2022-03-04)
"Our aim in this work is quantum cosmology and we do not deal with perturbations, but instead consider a variant of homogeneous and isotropic, or FRW, universe. Under these symmetries, the gravitational field is represented ...
Theoretical Models of Black Holes and some implications for Q-balls.
(Universidad de Concepción.Facultad de Ciencias Físicas y Matemáticas, 2022)
The study of black holes is a fascinating and active area of research in theoretical physics.
In recent years, the development of effective field theory (EFT) has provided a robust
framework for studying the properties ...