Realization of a two-dimensional Weyl semimetal and topological Fermi strings
Abstract A two-dimensional (2D) Weyl semimetal, akin to a spinful variant of graphene,
represents a topological matter characterized by Weyl fermion-like quasiparticles in low …
represents a topological matter characterized by Weyl fermion-like quasiparticles in low …
Weyl Points on Nonorientable Manifolds
Weyl fermions are hypothetical chiral particles that can also manifest as excitations near
three-dimensional band crossing points in lattice systems. These quasiparticles are subject …
three-dimensional band crossing points in lattice systems. These quasiparticles are subject …
Polarization textures in crystal supercells with topological bands
WJ Jankowski, D Bennett, A Agarwal, G Chaudhary… - Physical Review B, 2024 - APS
Two-dimensional materials are a highly tunable platform for studying the momentum space
topology of the electronic wavefunctions and real space topology in terms of skyrmions …
topology of the electronic wavefunctions and real space topology in terms of skyrmions …
Second order topology in a band engineered Chern insulator
S Lahiri, S Basu - Scientific Reports, 2024 - nature.com
Haldane model is a celebrated tight binding toy model of a Chern insulator in a 2D
honeycomb lattice that exhibits quantized Hall conductance in the absence of an external …
honeycomb lattice that exhibits quantized Hall conductance in the absence of an external …
Polarization jumps across topological phase transitions in two-dimensional systems
In topological phase transitions involving a change in topological invariants such as the
Chern number and the Z 2 topological invariant, the gap closes, and the electric polarization …
Chern number and the Z 2 topological invariant, the gap closes, and the electric polarization …
Wannier charge center, spin resolved bulk polarization, and corner modes in a strained quantum spin Hall insulator
S Lahiri, S Basu - Physical Review B, 2024 - APS
Topological invariants are a significant ingredient in the study of topological phases of
matter that intertwines the supposedly contradicting concepts of bulk and boundary. The …
matter that intertwines the supposedly contradicting concepts of bulk and boundary. The …
Emergent geometry, torsion and anomalies in non-relativistic topological matter
J Nissinen - Journal of Physics: Conference Series, 2023 - iopscience.iop.org
I review and discuss aspects of the interplay of emergent geometry and anomalies in
topological semimetals and insulators, focusing on effects of torsion. This correspondence …
topological semimetals and insulators, focusing on effects of torsion. This correspondence …
Multi-channel wide-angle nonreciprocal thermal radiator with planar heterostructure
Z Wang, S Xu, L Qian, G Zheng - Micro and Nanostructures, 2024 - Elsevier
From the perspective of application at mid-infrared frequencies, omnidirectional
nonreciprocal thermal radiation represents a critical need for effective thermal energy …
nonreciprocal thermal radiation represents a critical need for effective thermal energy …
Weyl points on non-orientable manifolds
Weyl fermions are hypothetical chiral particles that can also manifest as excitations near
three-dimensional band crossing points in lattice systems. These quasiparticles are subject …
three-dimensional band crossing points in lattice systems. These quasiparticles are subject …
In-plane magnetization orientation driven topological phase transition in OsCl3 monolayer
R Das, S Bandyopadhyay, I Dasgupta - Electronic Structure, 2024 - iopscience.iop.org
The quantum anomalous Hall effect resulting from the in-plane magnetization in the OsCl 3
monolayer is shown to exhibit different electronic topological phases determined by the …
monolayer is shown to exhibit different electronic topological phases determined by the …