Quantized polarization and Majorana fermions beyond tenfold classification

SH Han, M Kang, MJ Park, S Cheon - Communications Physics, 2024 - nature.com
Exploration of topology is central in condensed matter physics and applications to fault-
tolerant quantum information. The bulk-boundary correspondence and tenfold classification …

Quasiperiodic disorder induced critical phases in a periodically driven dimerized p-wave Kitaev chain

K Roy, S Roy, S Basu - Scientific Reports, 2024 - nature.com
The intricate relationship between topology and disorder in non-equilibrium quantum
systems presents a captivating avenue for exploring localization phenomenon. Here, we …

Floquet analysis of a driven Kitaev chain in presence of a quasiperiodic potential

K Roy, S Roy, S Basu - arXiv preprint arXiv:2309.03836, 2023 - arxiv.org
The interplay of topology and disorder in non-equilibrium quantum systems is an intriguing
subject. Here, we look for a suitable platform that enables an in-depth exploration of the …

Quasiperiodic potential induced corner states in a quadrupolar insulator

S Lahiri, S Basu - Physical Review B, 2024 - APS
We systematically investigate the topological and localization properties of a quadrupolar
insulator represented by the celebrated Benalcazar-Bernevig-Hughes model in the …

Topological Domain-Wall States Hosting Quantized Polarization and Majorana Zero Modes Without Bulk Boundary Correspondence

SH Han, M Kang, MJ Park, S Cheon - arXiv preprint arXiv:2311.08771, 2023 - arxiv.org
Bulk-boundary correspondence is a concept for topological insulators and superconductors
that determines the existence of topological boundary states within the tenfold classification …

Multiple intermediate phases in the interpolating Aubry-André-Fibonacci model

C Guo - Physical Review B, 2024 - APS
We investigate a generalized interpolating Aubry-André-Fibonacci (IAAF) model with p-wave
superconducting pairing, focusing on its localization and topological properties. Within the …

Density matrix renormalization group study of the interacting Kitaev chain with quasi-periodic disorder

KSC Decker, C Karrasch - arXiv preprint arXiv:2402.12897, 2024 - arxiv.org
We document the ground state phase diagram of the one-dimensional Kitaev chain with
quasi-periodic disorder in the presence of two-body interactions. Our data was obtained for …

Sub-symmetry Protected Topology in Topological Insulators and Superconductors

M Kang, M Lee, S Cheon - arXiv preprint arXiv:2406.01089, 2024 - arxiv.org
Exploration of topology protected by a certain symmetry is central in condensed matter
physics. A recent idea of sub-symmetry-protected (SSP) topology--remains of a broken …