Nodal lines in momentum space: topological invariants and recent realizations in photonic and other systems

H Park, W Gao, X Zhang, SS Oh - Nanophotonics, 2022 - degruyter.com
Topological insulators constitute one of the most intriguing phenomena in modern
condensed matter theory. The unique and exotic properties of topological states of matter …

Materials and possible mechanisms of extremely large magnetoresistance: a review

R Niu, WK Zhu - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Magnetoresistance (MR) is a characteristic that the resistance of a substance changes with
the external magnetic field, reflecting various physical origins and microstructures of the …

Extended Kohler's rule of magnetoresistance

J Xu, F Han, TT Wang, LR Thoutam, SE Pate, M Li… - Physical Review X, 2021 - APS
A notable phenomenon in topological semimetals is the violation of Kohler's rule, which
dictates that the magnetoresistance MR obeys a scaling behavior of MR= f (H/ρ 0), where …

Electronic structure and magnetic and transport properties of antiferromagnetic Weyl semimetal GdAlSi

A Laha, AK Kundu, N Aryal, ES Bozin, J Yao, S Paone… - Physical Review B, 2024 - APS
We report the topological electronic structure and magnetic and magnetotransport properties
of a noncentrosymmetric compound GdAlSi. Magnetic susceptibility shows an …

Weyl monoloop semi-half-metal and tunable anomalous hall effect

RW Zhang, X Zhou, Z Zhang, DS Ma, ZM Yu… - Nano Letters, 2021 - ACS Publications
Nodal monoloop, enjoying the cleanest scenario with a single loop, is recognized as the
basic building block of intricate linked loops including chains, nets, and knots. Here, we …

Topological Hall effect in the antiferromagnetic Dirac semimetal EuAgAs

A Laha, R Singha, S Mardanya, B Singh, A Agarwal… - Physical Review B, 2021 - APS
The nontrivial magnetic texture in real space gives rise to the intriguing phenomenon of the
topological Hall effect (THE), which is relatively less explored in topological semimetals …

Electronic structure and physical properties of EuAuAs single crystal

S Malick, J Singh, A Laha, V Kanchana, Z Hossain… - Physical Review B, 2022 - APS
High-quality single crystals of EuAuAs were studied by means of powder x-ray diffraction,
magnetization, magnetic susceptibility, heat capacity, electrical resistivity and …

Dispersive drumhead states in nodal-line semimetal junctions

F Buccheri, R Egger, A De Martino - Physical Review Research, 2024 - APS
We consider a smooth interface between a topological nodal-line semimetal and a
topologically trivial insulator (eg, the vacuum) or another semimetal with a nodal ring of …

Weak antilocalization effect and triply degenerate state in Cu-doped CaAuAs

S Malick, A Ghosh, CK Barman, A Alam, Z Hossain… - Physical Review B, 2022 - APS
The effect of 50% Cu doping at the Au site in the topological Dirac semimetal CaAuAs is
investigated through electronic band structure calculations, electrical resistivity, and …

Experimental and theoretical study of the correlated compound YbCdSn: Evidence for large magnetoresistance and mass enhancement

A Laha, P Rambabu, V Kanchana, L Petit, Z Szotek… - Physical Review B, 2020 - APS
The unusual features of topological semimetals arise from its nontrivial band structure. The
impact of strong electron correlations on the topological states remains largely unexplored in …