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Emergent phenomena in classical spin liquids

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Spin liquids are malleable magnetic textures obeying their own microscopic rules. These rules, due to frustrated constraints, can take the form of emergent gauge fields able to support quasi-particles, readily accessible by experimental probes.

In this talk we will illustrate the diversity of emergent phenomena supported by classical spin liquids, starting from the Coulomb gauge field of spin-ice materials. This Coulomb field can be for example confined in thin-film geometries, or serve as a foundation for exotic phases such as “fragmented” spin liquids where the fluctuating gauge field coexists with long-range order. Beyond Coulomb gauge field, we will discuss how topological charges can persist in spin liquids by forming disordered clusters, and how other forms of gauge fields, reminiscent of linearized general relativity, can appear in a crystal.

This talk is part of the Theory of Condensed Matter series.

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