Presented By: Department of Physics
CM Theory Seminar | Fracton Phase of Matter: From Fantasy to Reality
Yizhi You (Princeton University)
Fracton phase of matter shares many features of topological order, including long-range entangled ground states and non-trivial braiding statistics. At the same time, fracton phase contains subextensive ground-state degeneracy and the restricted mobility of quasiparticle which exclude itself from the TQFT paradigm. In this talk, I will present a theoretical framework on higher rank Chern-Simons theory in 3D as the low energy effective theory for Fracton phases. In addition, I will mention the emergent fractonic phenomenon in plaquette paramagnetic crystal which prompts an algebraic quantum liquid phase with a 'bose Fermi surface'.
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