Higher-form and higher-group symmetry in mixed superfluids

Tomas Brauner (Stavanger University)

17-Mar-2021, 16:00-17:00 (3 years ago)

Abstract: Higher-form symmetries are symmetries that act on extended objects. I will give a brief introduction to this concept and show how higher-form symmetries naturally emerge as a consequence of spontaneous breaking of ordinary (0-form) symmetries. They can therefore be expected to be present in superfluids and generalizations thereof. Furthermore, when two or more different types of superfluids are mixed, a more general symmetry structure appears, usually referred to as a higher group. The presence of this mathematical structure reflects the interplay of topological defects of the various superfluid components.

cosmology and nongalactic astrophysicsother condensed matterquantum gasesstrongly correlated electronssuperconductivitygeneral relativity and quantum cosmologyHEP - theory

Audience: researchers in the topic


Carnegie Mellon theoretical physics

Organizer: Riccardo Penco*
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