Pseudo-electromagnetic fields in 3D topological semimetals

R Ilan, AG Grushin, DI Pikulin - Nature Reviews Physics, 2020 - nature.com
Dirac and Weyl semimetals react to position-dependent and time-dependent perturbations,
such as strain, as if subject to emergent electromagnetic fields, known as pseudo-fields …

Topoelectrical circuit realization of a Weyl semimetal heterojunction

SM Rafi-Ul-Islam, Z Bin Siu, MBA Jalil - Communications Physics, 2020 - nature.com
Weyl semimetals (WSMs) are a recent addition to the family of topological materials, and the
physical realization of heterojunctions between different types of WSMs is challenging. Here …

Type-II corner modes in topolectrical circuits

SM Rafi-Ul-Islam, ZB Siu, H Sahin, MBA Jalil - Physical Review B, 2022 - APS
We study the rich properties of a topolectrical (TE) circuit array consisting of lossless basic
electrical components, such as capacitors and inductors, which can be designed to exhibit …

Magnetotransport of Weyl semimetals with tilted Dirac cones

A Kundu, ZB Siu, H Yang, MBA Jalil - New Journal of Physics, 2020 - iopscience.iop.org
Weyl semimetals (WSM) exhibit chiral anomaly in their magnetotransport due to broken
conservation laws. Here, we analyze the magnetotransport of WSM in the presence of the …

Electrically tunable valley polarization in Weyl semimetals with tilted energy dispersion

C Yesilyurt, ZB Siu, SG Tan, G Liang, SA Yang… - Scientific reports, 2019 - nature.com
Tunneling transport across electrical potential barriers in Weyl semimetals with tilted energy
dispersion is investigated. We report that the electrons around different valleys experience …

Electrically modulated Josephson junction of light-dressed topological insulators

PH Fu, Y Xu, XL Yu, JF Liu, J Wu - Physical Review B, 2022 - APS
In a Josephson junction mediated by a two-dimensional irradiated topological insulator, the
current-phase relation can be electrically modulated, including the 0-π phase transition and …

[HTML][HTML] Possible verification of tilt mismatch in asymmetric Dirac-cone systems using resonant tunneling properties

E Pattrawutthiwong, W Choopan, W Liewrian - Physics Letters A, 2021 - Elsevier
The tilt-mismatch effect on resonant tunneling through an electrical potential barrier in
asymmetric tilt-Dirac cone junction is investigated. By varying barrier height, the angle …

Conservation of chirality at a junction between two Weyl semimetals

S Tchoumakov, B Bujnowski, J Noky, J Gooth… - Physical Review B, 2021 - APS
In Weyl semimetals the location of linear band crossings, the Weyl cones, is not bound to
any high-symmetry point of the Brillouin zone, unlike the Dirac nodes in graphene. This …

Group delay time and Hartman effect in strained Weyl semimetals

Z Xu, ZB Siu, Y Chen, J Huang, Y Li… - Journal of Physics …, 2019 - iopscience.iop.org
The group delay time was theoretically studied in Weyl semimetals (WSMs) in the presence
of strain. The Hartman effect, where the delay time for tunneling through a barrier tends to a …

Transport across a topoelectrical Weyl semimetal heterojunction

SM Rafi-Ul-Islam, ZB Siu, M Jalil - arXiv preprint arXiv:1908.03642, 2019 - arxiv.org
We propose a general method to realize and calculate the transmission in a Weyl semimetal
(WSM) heterostructure by employing a periodic three-dimensional topoelectrical (TE) circuit …