Fig. 4

Vector fields (1,0)·D^(1,1)(r) (a) and \(1/\sqrt {2} (1,1) \cdot \boldsymbol {D}^{(1,1)}(\boldsymbol {r})\) (b) in homogeneous distributions of loops with radius R=1. Length and color of the arrows indicate the magnitude of the vectors, qualitatively