13 citations · 13 across the 2 of their papers we have counts for
2 papers
cond-mat.str-el2019
Anderson orthogonality catastrophe in -D topological systems
Jiahua Gu
In the thermodynamic limit, a many-body ground state has zero overlap with another state which is a slightly perturbed state of the original one, known as the Anderson orthogonalit…
cond-mat.str-el2016★ 13 cited
Adiabatic continuity, wavefunction overlap and topological phase transitions
Jiahua Gu, Kai Sun
In this article, we study the relation between wavefunction overlap and adiabatic continuity in gapped quantum systems. We show that for two band insulators, a scalar function can…