Exotic symmetries, duality, and fractons in 2+1-dimensional quantum field theory

Nathan Seiberg, Shu-Heng Shao

SciPost Phys. 10, 027 (2021) · published 4 February 2021


We discuss nonstandard continuum quantum field theories in 2+1 dimensions. They exhibit exotic global symmetries, a subtle spectrum of charged excitations, and dualities similar to dualities of systems in 1+1 dimensions. These continuum models represent the low-energy limits of certain known lattice systems. One key aspect of these continuum field theories is the universal and important role played by discontinuous field configurations. In two companion papers, we will present 3+1-dimensional versions of these systems. In particular, we will discuss continuum quantum field theories of some models of fractons.

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