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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Phys Rep. 2014 Oct 1;543(1):1–60. doi: 10.1016/j.physrep.2014.05.001

Figure F.44.

Figure F.44

Polar field on a planar surface with its texture described by (x, y) = cos ϕ + sin ϕ ŷ, with ϕ(r, θ) = qDθ. Shown are patterns corresponding to (a) qD = +1, (b) qD = −1, (c) qD = +2, (d) qD = −2, (e) qD = +3, and (f) qD = −3.