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Talk:Quark–gluon plasma

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For relativistic matter, pressure and temperature are not independent variables

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Actually, what matters here is not whether the theory is relativistic or nonrelativistic, but whether the theory has conserved charges allowing us to have chemical potentials. The QGP states depend upon the temperature AND baryon number density. The pressure depends upon both the temperature and baryon number density.
Your last sentence is absolutely correct, but I'd wanted to avoid a discussion of μB here, in order to avoid the full QCD phase diagram. (That now finds its place in theQCD matter article). As for non-rel vs rel: it is relevant, since particle number is conserved in the non-rel case (text book stuff). I added a para in thechemical potential article to clarify (in any case, this para was needed there). Thank you for a very useful comment.Bambaiah 10:47, May 21, 2005 (UTC)

Unless there is some reason why this article is mostly arranged in a Q&A format, wouldn't it be better to write it normally?Dilbert22:02, 17 March 2006 (UTC)[reply]

Dilbert, you are probably a professional in the field. It's worth remembering that for general readers, the QA format is FANTASTIC! Reading the article, I found myself thinking, finally a simple easy to read wiki article that is not trying to pretentiously link together long paragraphs. Bravo to whoever did this—Precedingunsigned comment added by83.196.101.199 (talk)14:05, 13 January 2010 (UTC)[reply]

Safety Concerns section

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The new "safety concerns" section seems out of place here. The QGP itself is not a safety concern, it is a state of matter. If there are safety concerns about one possible mechanism for making QGP (namely the LHC) then they belong on the LHC page. The QGP does not consist of strangelets, and in fact has very little to do with them. Strangelets have net strangeness, while QGP (at least as made at heavy-ion colliders) has zero net strangeness. QGP is hot and strangelets are cold. They are different phases of matter. I think this section should be removed from this article.Dark Formal (talk)02:46, 13 January 2008 (UTC)[reply]

Go ahead, touch some QGP. See if you want to remove the concerns then.
Obvious joke, put it on the LHC page.Baahgoesthesheep (talk)14:39, 26 March 2025 (UTC)[reply]

History

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The history section is full of primary sources, many not useful. A better history could be based on this review

  • Braun-Munzinger, P., & Stachel, J. (2007). The quest for the quark–gluon plasma. Nature, 448(7151), 302-309.

Johnjbarton (talk)21:35, 18 November 2025 (UTC)[reply]

An even better and more recent source is
  • Gross, F., Klempt, E., Brodsky, S. J., Buras, A. J., Burkert, V. D., Heinrich, G., ... & Zhou, X. (2023). 50 Years of quantum chromodynamics: Introduction and Review. The European Physical Journal C, 83(12), 1125.
Johnjbarton (talk)21:58, 18 November 2025 (UTC)[reply]

Beware of bias sources

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Maybe I'm wrong but I detect some conflict between the CERN, LHC, and BNL story lines on the history of QGP. Absent an independent historian we should be including multiple points of view.Johnjbarton (talk)01:50, 20 November 2025 (UTC)[reply]

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