A new mathematical tool for an exact treatment of open quantum system dynamics

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2 Citazioni (Scopus)

Abstract

A new method to obtain an operatorial exact solution of a wide class of Markovian master equations is presented. Its key point is the existence of a constant of motion partitioning the Hilbert space into finite-dimensional subspaces. The consequent possibility of representing the reduced density operator as a block diagonal matrix is shown. Each "block operator" evolves under the action of a non-unitary operator explicitly derived. Our mathematical approach is illustrated applying it to simple physical systems.
Lingua originaleEnglish
pagine (da-a)83-90
Numero di pagine8
RivistaACTA PHYSICA HUNGARICA. HEAVY ION PHYSICS
Volume23
Stato di pubblicazionePublished - 2005

All Science Journal Classification (ASJC) codes

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