Bubble correlation in first-order phase transitions

@article{DeLuca2021BubbleCI,
  title={Bubble correlation in first-order phase transitions},
  author={Valerio De Luca and Gabriele Franciolini and Antonio Walter Riotto},
  journal={Physical Review D},
  year={2021}
}
Making use of both the stochastic approach to the tunneling phenomenon and the threshold statistics, we offer a simple argument to show that critical bubbles may be correlated in first-order phase transitions and biased compared to the underlying scalar field spatial distribution. This happens though only if the typical energy scale of the phase transition is sufficiently high. We briefly discuss possible implications of this result, e.g. the formation of primordial black holes through bubble… 
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