Girvin, Yang Modern Condensed Matter Physics 2019 SSP · Problem 17.25

Magnetism

Physics — Condensed Matter · toric-code-3d-generalization

Problem

Generalize the toric code to the 3D cubic lattice and discuss how the charge and flux excitations differ from the 2D case. What is the ground state degeneracy when periodic boundary conditions are imposed in all three directions?

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