Realization of a two-dimensional Weyl semimetal and topological Fermi strings

Q Lu, PVS Reddy, H Jeon, AR Mazza, M Brahlek… - Nature …, 2024 - nature.com
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 …

Relaxation terms for anomalous hydrodynamic transport in Weyl semimetals from kinetic theory

A Amoretti, DK Brattan, L Martinoia… - Journal of High Energy …, 2024 - Springer
A bstract We consider as a model of Weyl semimetal thermoelectric transport a (3+ 1)-
dimensional charged, relativistic and relaxed fluid with a U (1) V× U (1) A chiral anomaly. We …

Developments in quasihydrodynamics

L Martinoia - arxiv preprint arxiv:2403.14254, 2024 - arxiv.org
At its core, hydrodynamics is a many-body low-energy effective theory for the long-
wavelength, long-timescale dynamics of conserved charges in systems close to …

Nonlocal phonon thermal transport in graphene in hydrodynamic regime

XP Luo, YY Guo, HL Yi - Journal of Physics: Condensed Matter, 2023 - iopscience.iop.org
The hydrodynamic behavior of phonons is of particular interest and importance owing to the
strong demand for highly thermal conductive materials. Thermal transport in hydrodynamic …

Non-linear dynamics and critical phenomena in the holographic landscape of Weyl semimetals

M Matsumoto, M Mirjalali, A Vahedi - Journal of High Energy Physics, 2024 - Springer
A bstract This study presents a detailed analysis of critical phenomena in a holographic
Weyl semi-metal (WSM) using the D3/D7 brane configuration. The research explores the …

Influence of interactions on the anomalous quantum Hall effect

CX Zhang, MA Zubkov - Journal of Physics A: Mathematical and …, 2020 - iopscience.iop.org
The anomalous quantum Hall conductivity in the 2+ 1 D topological insulators in the
absence of interactions may be expressed as the topological invariant composed of the two …

Observation of 2D Weyl fermion states in epitaxial bismuthene

Q Lu, PV Reddy, H Jeon, AR Mazza, M Brahlek… - arxiv preprint arxiv …, 2023 - arxiv.org
A two-dimensional (2D) Weyl semimetal featuring a spin-polarized linear band dispersion
and a nodal Fermi surface is a new topological phase of matter. It is a solid-state realization …

Chiral magnetic response to arbitrary axial imbalance

M Horváth, D Hou, J Liao, H Ren - Physical Review D, 2020 - APS
The response of chiral fermions to time and space dependent axial imbalance and constant
magnetic field is analyzed. The axial-vector–vector–vector (AVV) three-point function is …

Charge-spin response and collective excitations in Weyl semimetals

S Ghosh, C Timm - Physical Review B, 2019 - APS
Weyl semimetals are characterized by unconventional electromagnetic response. We
present analytical expressions for all components of the frequency-and wave-vector …

Hydrodynamics of Fermi arcs: Bulk flow and surface collective modes

EV Gorbar, VA Miransky, IA Shovkovy, PO Sukhachov - Physical Review B, 2019 - APS
The hydrodynamic description of the Fermi arc surface states is proposed. In view of the
strong suppression of scattering on impurities, the hydrodynamic regime for Fermi arc states …