Higher-order topological phases in crystalline and non-crystalline systems: a review
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 …
Journal of Physics: Condensed Matter ACCEPTED MANUSCRIPT • OPEN ACCESS Higher-order …
Analytic solution of the -dimensional Su-Schrieffer-Heeger model
F Liu - Physical Review B, 2023 - APS
The Su-Schrieffer-Heeger (SSH) model is fundamental in topological insulators and relevant
to understanding higher-order topological phases. This study explores the relationship …
to understanding higher-order topological phases. This study explores the relationship …
Corner modes in non-Hermitian next-nearest-neighbor hopping model
We consider a non-Hermitian (NH) analog of a second-order topological insulator, protected
by chiral symmetry, in the presence of next-nearest-neighbor hopping elements to …
by chiral symmetry, in the presence of next-nearest-neighbor hopping elements to …
Emerging topological bound states in Haldane model zigzag nanoribbons
Zigzag nanoribbons hosting the Haldane Chern insulator model are considered. In this
context, a reentrant topological phase, characterized by the emergence of quasi zero …
context, a reentrant topological phase, characterized by the emergence of quasi zero …
Higher-order topology in Fibonacci quasicrystals
In crystalline systems, higher-order topology, characterized by topological states of
codimension greater than one, usually arises from the mismatch between Wannier centers …
codimension greater than one, usually arises from the mismatch between Wannier centers …
Mixed higher-order topology, and nodal and nodeless flat band topological phases in a superconducting multiorbital model
We investigate the topological phases that appear in an orbital version of the Benalcazar-
Bernevig-Hughes (BBH) model in the presence of conventional spin-singlet s-wave …
Bernevig-Hughes (BBH) model in the presence of conventional spin-singlet s-wave …
Design of Antiferromagnetic Second-Order Band Topology with Rotation Topological Invariants in Two Dimensions
The existence of fractionally quantized topological corner charge serves as a key indicator
for two-dimensional (2D) second-order topological insulators (SOTIs), yet it has not been …
for two-dimensional (2D) second-order topological insulators (SOTIs), yet it has not been …
Disorder-induced phase transitions in three-dimensional chiral second-order topological insulator
Y Shen, Z Li, Q Niu, Z Qiao - Physical Review B, 2024 - APS
Topological insulators have been extended to higher-order versions that possess
topological hinge or corner states in lower dimensions. However, their robustness against …
topological hinge or corner states in lower dimensions. However, their robustness against …
Topological characterization of special edge modes from the winding of relative phase
The symmetry-constrained topological invariant fails to explain the emergence of the special
edge modes when system does not preserve discrete symmetries. The inversion or chiral …
edge modes when system does not preserve discrete symmetries. The inversion or chiral …
Emergent topological phases in an extended Su-Schrieffer-Heeger model with Rashba spin-orbit interaction, higher order hopping and domain wall
HK Sharma, A Saha, S Mandal - arXiv preprint arXiv:2410.10477, 2024 - arxiv.org
We theoretically investigate emergent topological phases in an extended spin-full Su-
Schrieffer-Heeger (SSH) model considering Rashba spin-orbit interaction, all possible …
Schrieffer-Heeger (SSH) model considering Rashba spin-orbit interaction, all possible …