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Particle physics

Did the Big Bang boil?

Nature volume 443, pages 637638 (12 October 2006) | Download Citation


Standard theories tell us that, at some point in the Universe's evolution, free quarks and gluons must have become bound together into the hadronic matter we see today. But was this transition abrupt or smooth?

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    , , , & Nature 443, 675–678 (2006).

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  1. Frank Wilczek is in the Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA.

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