A one-dimensional superconductor with two boundary magnetic impurities has a special 'supersymmetric' point where the nine degenerate low-energy boundary states form spl(2,1)⊗spl(2,1) representations and support zero energy modes.
Integrble Models in Condensed Matter Physics
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This is an expanded version of the lectures given at the Trieste Summer School 1992 on Low-dimensional Quantum Field Theories for Condensed Matter Physicists.
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Emergent boundary supersymmetry in a one dimensional superconductor
A one-dimensional superconductor with two boundary magnetic impurities has a special 'supersymmetric' point where the nine degenerate low-energy boundary states form spl(2,1)⊗spl(2,1) representations and support zero energy modes.