55 citations · 775 across the 68 of their papers we have counts for
69 papers
Interpretations of Quantum Theory in the Light of Modern Cosmology
Mario Castagnino, Sebastian Fortin, Roberto Laura +1
The difficult issues related to the interpretation of quantum mechanics and, in particular, the "measurement problem" are revisited using as motivation the process of generation of…
Decoherence: a closed-system approach
Sebastian Fortin, Olimpia Lombardi, Mario Castagnino
The aim of this paper is to review a new perspective about decoherence, according to which formalisms originally devised to deal just with closed or open systems can be subsumed un…
A semiclassical condition for chaos based on Pesin theorem
Ignacio Gomez, Marcelo Losada, Sebastian Fortin +2
A semiclassical method to determine if the classical limit of a quantum system is chaotic or not, based on Pesin theorem, is presented. The method is applied to a phenomenological…
Formal features of a General Theoretical Framework for Decoherence in open and closed systems
Mario Castagnino, Sebastian Fortin
Two complementary decoherence formalisms, Environment Induced Decoherence (EID) for open systems and Self Induced Decoherence (SID) for close systems are compared under a common Ge…
Non-Hermitian Hamiltonians in decoherence and equilibrium theory
Mario Castagnino, Sebastian Fortin
There are many formalisms to describe quantum decoherence. However, many of them give a non general and ad hoc definition of "pointer basis" or "moving preferred basis", and this f…
The observable-state model and non-renormalizable theories
Juan Sebastián Ardenghi, Alfredo Juan, Mario Castagnino
The aim of this work is to apply the observable-state model for the quantum field theory of a ϕ^n self- interaction. We show how to obtain finite values for the 2-point and n-point…