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I’ve recently read that the strong interaction, that holds the quarks together to form protons and neutrons, also creates a residual force called the nuclear force, which holds the neutrons and protons together. Why and how is the nuclear force a consequence of the strong interaction?

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    $\begingroup$ The answer is the Yukawa meson theory of nuclear force. It involves the exchange of pions between the nucleons, which binds them together. $\endgroup$ – S V Jun 12 at 23:06
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    $\begingroup$ A residual force is a more general concept. For example, the force that binds electrically neutral atoms together to form molecules is also a residual force. There's no big mystery about it. The force is zero to first order, but it exists in higher orders of approximation. $\endgroup$ – Ben Crowell Jun 13 at 1:40
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The nuclear force arises from the strong interaction and virtual gluon exchanges and color fluctuations within the quarks of the nuclei creat pions that are exchanged between nucleons

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    $\begingroup$ The beginning of your statement is essentially the definition of the strong force. Could you go more in depth about the creation and exchange of pions? $\endgroup$ – Quantumness Jun 13 at 1:48

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