Tuesday, November 20, 2012

1211.4201 (Seung Ki Baek)

Vortex interaction on curved surfaces    [PDF]

Seung Ki Baek
The vortex-excitation energy on a sphere can be obtained by using the stereographic projection. By applying this method, we calculate the energy needed to create a vortex on a surface with a constant negative curvature. It is found that the energy is a linear function of the radius of the vortex. In accordance with this result, the interaction energy between a pair of vortices is also found to change linearly with the vortex separation distance. Explicit vortex configurations are obtained numerically with this interaction.
View original: http://arxiv.org/abs/1211.4201

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