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Transition between heavy-fermion strange metal and quantum spin liquid in a 4d-electron trimer lattice
Hengdi Zhao, Yu Zhang, Pedro Schlottmann +2
We present experimental evidence that a heavy Fermi surface consisting of itinerant, charge-neutral spinons underpins both heavy-fermion-strange-metal (without f electrons) and qua…
Topologically stable ergodicity breaking from emergent higher-form symmetries in generalized quantum loop models
Charles Stahl, Rahul Nandkishore, Oliver Hart
We present a set of generalized quantum loop models which provably exhibit topologically stable ergodicity breaking. These results hold for both periodic and open boundary conditio…
Fracton superfluid hydrodynamics
Charles Stahl, Marvin Qi, Paolo Glorioso +2
We examine the hydrodynamics of systems with spontaneously broken multipolar symmetries using a systematic effective field theory. We focus on the simplest non-trivial setting: a s…
Multipole groups and fracton phenomena on arbitrary crystalline lattices
Daniel Bulmash, Oliver Hart, Rahul Nandkishore
Multipole symmetries are of interest in multiple contexts, from the study of fracton phases, to nonergodic quantum dynamics, to the exploration of new hydrodynamic universality cla…