Sweeping away the monopole problem

@article{Dvali1998SweepingAT,
  title={Sweeping away the monopole problem},
  author={G. Dvali and H. Liu and T. Vachaspati},
  journal={Physical Review Letters},
  year={1998},
  volume={80},
  pages={2281-2284}
}
We propose a new solution to the cosmological monopole problem in which domain walls sweep away the magnetic monopoles and subsequently decay. The solution does not require extensive fine tuning or model building - it works for the prototype SU(5) Grand Unification model. More generally, it shows that defect interactions can lead to ``defect erasure'' in phase transitions and that this can be relevant to early universe physics. 

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