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#topological_degeneracy

Topological degeneracy

Phenomenon in many-body quantum systems

In quantum many-body physics, topological degeneracy is a phenomenon in which the ground state of a gapped many-body Hamiltonian becomes degenerate in the limit of large system size such that the degeneracy cannot be lifted by any local perturbations.

Mon 11th

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Topological degeneracy Topological order Simplicial set Kramers' theorem Degeneracy (graph theory) Topological quantum field theory Fracton (subdimensional particle) Zero-point energy Topological insulator Symmetry-protected topological order
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