Abstract
We discuss the extension of the Kibble-Zurek scenario of defects creation at cosmological phase transitions to the case when alternative symmetries may be broken and different states nucleated independently. We have calculated the nucleation probability of the various states of superfluid 3 He during a superfluid transition. Our results can explain the asymmetry of transition between non equilibrium A and B phases, triggered by nuclear reaction. The new scenario is a possible alternative to the well-known “baked Alaska” scenario. This scenario may also be relevant for the early universe, where two different states, SU(3) × SU(2) × U(1) and SU(4) × U(1) can be nucleated after the transition from SU(5) state.
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Bunkov, Y.M., Timofeevskaya, O.D. A and B Phases Nucleation at a Fast Superfluid Transition in 3He. Can It Be Relevant for Cosmology ?. Journal of Low Temperature Physics 110, 45–50 (1998). https://doi.org/10.1023/A:1022502431323
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DOI: https://doi.org/10.1023/A:1022502431323