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Structure of the Algebra of Effective Observables in Quantum Mechanics

Robert Olkiewicz

quant-pharXiv:quant-ph/0003032

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.

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