Our description of how the atomic nucleus holds together has up to now been entirely empirical. Arduous calculations starting from the theory of the strong nuclear force provide a new way into matter's hard core.
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Ishii, N., Aoki, S. & Hatsuda, T. preprint available at http://www.arxiv.org/nucl-th/0611096 (2006).
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Wilczek, F. Hard-core revelations. Nature 445, 156–157 (2007). https://doi.org/10.1038/445156a
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