21 citations · 38 across the 3 of their papers we have counts for
3 papers
quant-ph2002★ 16 cited
The Gamow Functional
M. Castagnino, M. Gadella, R. Id Beta +1
We present a formalism that represents pure states, mixtures and generalized states as functionals on an algebra containing the observables of the system. Along these states, there…
math-ph2001★ 1 cited
An Algebraic Formulation of Quantum Decoherence
M. A. Castagnino, A. R. Ordoniez
An algebraic formalism for quantum decoherence in systems with continuous evolution spectrum is introduced. A certain subalgebra, dense in the characteristic algebra of the system,…
gr-qc1999★ 21 cited
Dynamical properties of the conformally coupled flat FRW model
M. A. Castagnino H. Giacomini, L. Lara
In this paper we study the dynamical behaviour of a simple cosmological model defined by a spatially flat Robertson-Walker geometry, conformally coupled with a massive scalar field…