We study the spatiotemporal patterns of density fluctuations in ${}^{16,24}\mathrm{O}$ and ${}^{48}\mathrm{Ca}$ using nuclear interactions from chiral effective field theory and the time-dependent coupled-cluster method. We find that two-particle–two-hole excitations generate small-amplitude fluctuations that are fast, short-ranged, and of stochastic character.

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• Ab initio calculations
• Nuclear many-body theory