Generalized two-level quantum dynamics. II. Non-Hamiltonian state evolution
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A theorem is derived that enables a systematic enumeration of all the linear superoperators ℒ (associated with a two-level quantum system) that generate, via the law of motion ℒρ=\(\dot \rho\), mappings ρ(0) → ρ(t) restricted to the domain of statistical operators. Such dynamical evolutions include the usual Hamiltonian motion as a special case, but they also encompass more general motions, which are noncyclic and feature a destination state ρ(t → ∞) that is in some cases independent of ρ(0).
KeywordsQuantum System Dynamical Evolution Destination State State Evolution Systematic Enumeration
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