127 citations · 177 across the 5 of their papers we have counts for
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cond-mat.other2021★ 11 cited
A unique one-body position operator for periodic systems
Stefano Evangelisti, Faten Abu-Shoga, Celestino Angeli +2
In this work we proof that the one-body position operator for periodic systems that we have recently proposed [Phys. Rev. B 99, 205144] is unique modulo a phase factor and an addit…
cond-mat.other2021★ 6 cited
The localization spread and polarizability of rings and periodic chains
Celestino Angeli, Gian Luigi Bendazzoli, Stefano Evangelisti +1
The localization spread gives a criterion to decide between metallic versus insulating behaviour of a material. It is defined as the second moment cumulant of the many-body positio…