Phase ordering percolation and domain-wall survival in segregating binary Bose-Einstein condensates [CL]

http://arxiv.org/abs/1505.02276


Percolation theory is applied to the phase transition dynamics of domain pattern formation in segregating quasi-two-dimensional binary Bose–Einstein condensates. Our numerical experiments revealed that the percolation threshold is close to 0.5. A long-range open domain wall appears with a fractal dimension between two percolating domains. Such a wall can survive for a long time as a relic of the phase transition according to the dynamic finite-size-scaling hypothesis, which seems to be in contrast to the current understanding in cosmology that an infinite defect violates a scale invariance.

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H. Takeuchi, Y. Mizuno and K. Dehara
Tue, 12 May 15
3/77

Comments: 5 pages, 3 figures