328 citations · 1.4k across the 21 of their papers we have counts for
20 papers
Anomalous levitation and annihilation in Floquet topological insulators
Hui Liu, Ion Cosma Fulga, Janos K. Asboth
Anderson localization in two-dimensional topological insulators takes place via the so-called levitation and pair annihilation process. As disorder is increased, extended bulk stat…
Topologically protected, correlated end spin formation in carbon nanotubes
Cătălin Paşcu Moca, Wataru Izumida, Balázs Dóra +3
For most chiralities, semiconducting nanotubes display topologically protected end states of multiple degeneracies. We demonstrate using density matrix renormalization group based…
Detecting topological invariants in chiral symmetric insulators via losses
Tibor Rakovszky, Janos K. Asboth, Andrea Alberti
We show that the bulk winding number characterizing one-dimensional topological insulators with chiral symmetry can be detected from the displacement of a single particle, observed…
Spectral flow and global topology of the Hofstadter butterfly
Janos K. Asboth, Andrea Alberti
We study the relation between the global topology of the Hofstadter butterfly of a multiband insulator and the topological invariants of the underlying Hamiltonian. The global topo…
Generalized Kac's Lemma for Recurrence Time in Iterated Open Quantum Systems
P. Sinkovicz, T. Kiss, J. K. Asbóth
We consider recurrence to the initial state after repeated actions of a quantum channel. After each iteration a projective measurement is applied to check recurrence. The correspon…
Localization, delocalization, and topological phase transitions in the one-dimensional split-step quantum walk
Tibor Rakovszky, Janos K. Asboth
Quantum walks are promising for information processing tasks because on regular graphs they spread quadratically faster than random walks. Static disorder, however, can turn the ta…