Structure of the Algebra of Effective Observables in Quantum Mechanics
arXiv:quant-ph/0003032 · doi:10.1006/aphy.2000.6086
Abstract
A subclass of dynamical semigroups induced by the interaction of a quantum system with an environment is introduced. Such semigroups lead to the selection of a stable subalgebra of effective observables. The structure of this subalgebra is completely determined.