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Critical integer quantum Hall topology and the integrable Maryland model as a topological quantum critical point
Sriram Ganeshan, K. Kechedzhi, S. Das Sarma
One dimensional tight binding models such as Aubry-Andre-Harper (AAH) model (with onsite cosine potential) and the integrable Maryland model (with onsite tangent potential) have be…
Exact Classification of Landau-Majorana-Stückelberg-Zener Resonances By Floquet Determinants
Sriram Ganeshan, Edwin Barnes, S. Das Sarma
Recent experiments have shown that Landau-Majorana-Stuckelberg-Zener (LMSZ) interferometry is a powerful tool for demonstrating and exploiting quantum coherence not only in atomic…
Topological Zero-Energy Modes in Gapless Commensurate Aubry-André-Harper Models
Sriram Ganeshan, Kai Sun, S. Das Sarma
The Aubry-André or Harper (AAH) model has been the subject of extensive theoretical research in the context of quantum localization. Recently, it was shown that one-dimensional qua…