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Creating Vortons and Knot Solitons via Domain Wall Pair Annihilation in BEC and Field Theory

Presented by: 
M Nitta Keio University
Date: 
Friday 7th December 2012 - 11:20 to 11:40
Venue: 
INI Seminar Room 1
Session Title: 
Topological Solitons
Session Chair: 
Konrad Bajer
Abstract: 
We show that when a vortex-string is stretched between a pair of a domain wall and an anti-domain wall in two component Bose-Einstein condensates, there remains a vorton after the pair annihilation. We also show that the same configuration in the mass deformed Faddeev-Skyrme model results in a knot soliton (Hopfion) after the pair annihilation.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons