Talk:Greenberger–Horne–Zeilinger state
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In Properties, it's mentioned that we get an unentangled mixed state for the partial density operator. Is this really the case? I don't really see that this is an unentangled state. Please cite — Preceding unsigned comment added by Landmark ni (talk • contribs) 02:11, 12 February 2019 (UTC)
The following are a few comments on this page:
Content: In the introduction, a GHZ state is introduced as a certain type of entangled quantum state, but they do not define entanglement or the definition of a qubit. This may confuse a reader who is not previously familiar with quantum mechanics. In the second paragraph of the Properties section, I would like if the article went into more depth on how the GHZ states lead to a violation of Bell's Inequality. This displays the inconsistency between classical theory and quantum theory. The section Pairwise Entanglement is extremely clear and well-written: this was the most comprehensive section of the article in my opinion. The applications section should be added to with more specific applications. This section is very vague.
Tone: The tone is neutral throughout. The Applications section is extremely short and vague. This is by far the weakest section of the article. The previous three sections are clear.
Source: The second source does not seem to be a source. It is a sentence restating where it was quoted. The fourth article also does not appear to be a source. It is a sentence describing its own reference. They do not have titles, authors, or URLs. I am a bit confused as to why these are on the references list.Ssabir19 (talk) 03:41, 8 December 2018 (UTC)