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- W2056199069 abstract "We study the time evolution of the entangled kaon system by considering the Liouville - von Neumann equation with an additional term which allows for decoherence. We choose as generators of decoherence the projectors to the 2-particle eigenstates of the Hamiltonian. Then we compare this model with the data of the CPLEAR experiment and find in this way an upper bound on the strength $lambda$ of the decoherence. We also relate $lambda$ to an effective decoherence parameter $zeta$ considered previously in literature. Finally we discuss our model in the light of different measures of entanglement, i.e. the von Neumann entropy $S$, the entanglement of formation $E$ and the concurrence $C$, and we relate the decoherence parameter $zeta$ to the loss of entanglement: $1 - E$." @default.
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- W2056199069 date "2003-07-30" @default.
- W2056199069 modified "2023-09-25" @default.
- W2056199069 title "Decoherence of entangled kaons and its connection to entanglement measures" @default.
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- W2056199069 doi "https://doi.org/10.1103/physreva.68.012111" @default.
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