Quantum Coulomb Liquids of Different Rank in the Breathing Pyrochlore Antiferromagnet

Lasse Gresista, Daniel Lozano-Gómez, Matthias Vojta +2

Emergent gauge fields and Coulomb liquids have long been central to the physics of frustrated pyrochlore magnets, yet their realization beyond conventional, i.e. rank-1 $U(1)$, spi…