LHOTEL, Elsa; JAUBERT, L.D.C.; HOLDSWORTH, Peter

doi:10.1007/s10909-020-02521-3

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LHOTEL, Elsa
Magnétisme et Supraconductivité [NEEL - MagSup]

JAUBERT, L.D.C.
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

HOLDSWORTH, Peter
École normale supérieure de Lyon [ENS de Lyon]

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Journal of Low Temperature Physics. 2020-09-28, vol. 201, n° 5-6, p. 710-737

Springer Verlag (Germany)

Résumé en anglais

Spin liquids are exotic phases of matter that often support emergent gauge fields and quasi-particle excitations. While spin liquids are commonly known for remaining disordered, their definition has been extended to include phases with broken symmetry corresponding to (partial) long-range order, such as chiral and nematic spin liquids for example. For Coulomb spin liquids, this ordering can be quantitatively understood via a Helmholtz decomposition between divergence-free and divergencefull terms. This phenomenon has been coined fragmentation, where spin degrees of freedom fragment into two components: the fluctuating disordered part and the ordered one. In this review, we will cover the theoretical and experimental aspects of this growing field, in particular its relation to magnetic monopoles in spin ice, its phase diagram and the possibility to observe it in solid-state crystal and artificial networks.< Réduire

Mots clés en anglais

Magnetic fragmentation

Spin liquids

Spin ice

Magnetic monopoles

Pyrochlore

Kagome

magnetic fragmentation

spin liquids

spin ice

magnetic monopoles

pyrochlore

kagome

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Fragmentation in Frustrated Magnets: A Review

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