2 papers
cond-mat.mes-hall2021
Mode Delocalization in Disordered Photonic Chern Insulator
Udvas Chattopadhyay, Sunil Mittal, Mohammad Hafezi +1
In disordered two dimensional Chern insulators, a single bulk extended mode is predicted to exist per band, up to a critical disorder strength; all the other bulk modes are localiz…
cond-mat.mes-hall2018
Fermi arc induced vortex structure in Weyl beam shifts
Udvas Chattopadhyay, Li-Kun Shi, Baile Zhang +2
In periodic media, despite the close relationship between geometrical effects in the bulk and topological surface states, the two are typically probed separately. We show that when…