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This paper investigates the time behavior of entanglement (quantified by negativity) and the symmetry breaking in a symmetric four-qubit system (initialized either in the GHZ-type or W-type states), interacting with a Markov and non-Markov random telegraph noise (RTN). Two different qubit-noise coupling configurations, namely C1 and C2 are investigated. In the first one (C1) it is assumed that, three...
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