Are there any decoherance experiments someone could link to me?

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Decoherence experiments are explored, with a specific focus on a paper detailing ion trap experiments that examine how decoherence varies with system size. The study verifies a quadratic decrease in coherence related to the number of ions in a particular entangled GHZ state. A link to the paper is provided for further reading. The discussion emphasizes the importance of understanding decoherence in quantum systems. This information is valuable for those researching quantum mechanics and decoherence phenomena.
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Any help would be greatly appreciated I tried using the search bar but nothing came up.
 
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Here is a paper from an experiment with ion traps where they test decoherence as a function of system size, and verify a quadratic decrease of coherence as a function of number of ions involved in a particular entangled GHZ state.
 

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