A conventional topological insulator (TI) has gapped bulk states but gapless edge states.
The emergence of the gapless edge states is dictated by the bulk topological invariant of the …

Higher-order topological phases in crystalline and non-crystalline systems: a review Page 1
Journal of Physics: Condensed Matter ACCEPTED MANUSCRIPT • OPEN ACCESS Higher-order …

Being motivated by intriguing phenomena, such as the breakdown of conventional bulk
boundary correspondence and the emergence of skin modes in the context of non-Hermitian …

The recent discoveries of higher-order topological insulators (HOTIs) have shifted the
paradigm of topological materials, previously limited to topological states at boundaries of …

Following a general protocol of periodically driving static first-order topological phases
(supporting surface states) with suitable discrete symmetry breaking Wilson-Dirac masses …

We theoretically investigate the Floquet generation of a second-order topological
superconducting (SOTSC) phase hosting Majorana corner modes (MCMs), considering a …

After exploring much on two-dimensional higher-order topological superconductors
(HOTSCs) hosting Majorana corner modes (MCMs) only, we propose a simple fermionic …

Floquet higher-order topological insulators (FHOTIs) are a novel topological phase that can
occur in periodically driven lattices. An appropriate experimental platform to realize FHOTIs …

Second-order topological insulator (SOTI) is featured with the presence of (d− 2)-
dimensional boundary states in d-dimension systems. The non-Hermiticity induced …

After extensive investigation of the Floquet second-order topological insulator (FSOTI) in two
dimensions, here we propose two driving schemes to systematically engineer the hierarchy …