``Cosmological'' scenario for A-B phase transition in superfluid 3He

Abstract

At a very rapid superfluid transition in ${}^3$He, follows after a reaction with single neutron, the creation of topological defects (vortices) has recently been demonstrated in accordance with the Kibble-Zurek scenario for the cosmological analogue. We discuss here the extension of the Kibble-Zurek scenario 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 transition from supercooled $A$ phase to the $B$ phase, triggered by nuclear reaction. The new scenario is an alternative to the well-known ``baked Alaska'' scenario.

RevTex file, 4 pages, 3 figures, submitted to Phys. Rev. Lett

References in corpus (1)

• Defect Formation in Quench-Cooled Superfluid Phase Transition

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