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math-ph2019
Automorphic equivalence within gapped phases in the bulk
Alvin Moon, Yoshiko Ogata
We develop a new adiabatic theorem for unique gapped ground states which does not require the gap for local Hamiltonians. We instead require a gap in the bulk and a smoothness of e…
math-ph2019★ 10 cited
Automorphic equivalence preserves the split property
Alvin Moon
We prove that the split property is a stable feature for spin chain states which are related by composition with *-automorphisms generated by power-law decaying interactions. We ap…