Figure 1: Electric dipoles on magnetic monopoles. | Nature Communications

Figure 1: Electric dipoles on magnetic monopoles.

From: Critical speeding-up in the magnetoelectric response of spin-ice near its monopole liquid–gas transition

Figure 1

(a) Corner-sharing network of tedrahedra in spin-ice with an Ising spin (red arrow) located on each corner. Breaking of the ice rules results in an effective magnetic monopole/antimonopole pair (red and green balls) each of which carries an electric dipole moment (brown arrow). (b) The hopping of a monopole corresponds to flipping a single Ising spin, here giving rise to a non-vanishing net electric dipole moment Δdz.

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