论文标题
边界超对称为1+1 d费米子SPT相
Boundary supersymmetry of 1+1 d fermionic SPT phases
论文作者
论文摘要
我们证明，所有非平凡1+1尺寸内在的固定性对称对称性保护阶段的边界，受到有限的现场对称性（单位或反对）保护的边界是超对称的量子机械系统。这种超对称性不需要对基础的哈密顿量进行任何微调，这完全是由于边界'T HOFOFT异常的结果，该异常对阶段进行了分类，并且与其他知名的脱脂性本质上不同，因此与诸如Kramers demers（例如Kramers Doubles）的“ Bose-Fermi”脱发有关。
We prove that the boundaries of all non-trivial 1+1 dimensional intrinsically fermionic symmetry-protected-topological phases, protected by finite on-site symmetries (unitary or anti-unitary), are supersymmetric quantum mechanical systems. This supersymmetry does not require any fine-tuning of the underlying Hamiltonian, arises entirely as a consequence of the boundary 't Hooft anomaly that classifies the phase and is related to a `Bose-Fermi' degeneracy different in nature from other well known degeneracies such as Kramers doublets.
