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36 papers · 1 filter
Quantum Field Theory on Multifractal Spacetime: Varying Dimension and Ultraviolet Completeness
Alessio Maiezza, Juan Carlos Vasquez
Inspired by various quantum gravity approaches, we explore quantum field theory where spacetime exhibits scaling properties and dimensional reduction with changing energy scales, e…
Configurational entropy of generalized sine-Gordon-type models
W. Barreto, A. Herrera-Aguilar, R. da Rocha
A family of deformed models of the sine-Gordon-type can be generated by twisting the sine-Gordon model. As a particular case, the 3-sine-Gordon model is here addressed, whose diffe…
Holographic entropy production in a Bjorken expanding hot and dense strongly coupled quantum fluid
Romulo Rougemont, Willians Barreto
We analyze the time evolution of several physical observables, namely the pressure anisotropy, the scalar condensate, the charge density, and also, for the first time, the non-equi…
Gravitational collapse in AdS: instabilities, turbulence, and information
W. Barreto, R. da Rocha
The gravitational collapse in asymptotically AdS spacetimes is studied, using the differential configurational entropy (DCE). The DCE is shown to comply with the instability of the…
Differential configurational entropy and the gravitational collapse of a kink
W. Barreto, R. da Rocha
The gravitational instability of kinks is scrutinized in the context of information entropy, including the black hole formation near the scalar field critical collapse. The differe…
Selfgravitating Higgs domain walls as a braneworlds
Nelson Pantoja
Five-dimensional domain walls in gauged generate a position-dependent symmetry breaking pattern along the additional dimension. We analize the perturbative stability and th…