Phonon chirality from impurity scattering in the antiferromagnetic phase of Sr2IrO4

A Ataei, G Grissonnanche, ME Boulanger, L Chen… - Nature Physics, 2024 - nature.com
A thermal Hall effect occurs in an increasing number of insulators and is often attributed to
phonons, but the underlying mechanism is not known in most cases. Two main scenarios …

Phonon thermal hall conductivity from scattering with collective fluctuations

L Mangeolle, L Balents, L Savary - Physical Review X, 2022 - APS
Because electrons and ions form a coupled system, it is a priori clear that the dynamics of
the lattice should reflect symmetry breaking within the electronic degrees of freedom …

Quantum kinetic equation and thermal conductivity tensor for bosons

L Mangeolle, L Savary, L Balents - Physical Review B, 2024 - APS
We systematically derive the quantum kinetic equation in full phase space for any quadratic
Hamiltonian of bosonic fields, including in the absence of translational invariance. This …

Phononic-magnetic dichotomy of the thermal Hall effect in the Kitaev material

M Gillig, X Hong, C Wellm, V Kataev, W Yao, Y Li… - Physical Review …, 2023 - APS
The quest for a half-quantized thermal Hall effect of a Kitaev system represents an important
tool to probe topological edge currents of emergent Majorana fermions. Pertinent …

Combined experimental and theoretical study of hydrostatic He-gas pressure effects in

B Wolf, DAS Kaib, A Razpopov, S Biswas, K Riedl… - Physical Review B, 2022 - APS
We report a detailed experimental and theoretical study on the effect of hydrostatic pressure
on various structural and magnetic aspects of the layered honeycomb antiferromagent α …

Role of magnetic ions in the thermal Hall effect of the paramagnetic insulator

A Vallipuram, L Chen, E Campillo, M Mezidi… - Physical Review B, 2024 - APS
In a growing number of materials, phonons have been found to generate a thermal Hall
effect, but the underlying mechanism remains unclear. Inspired by previous studies that …

Cubic Hall viscosity in three-dimensional topological semimetals

I Robredo, P Rao, F De Juan, A Bergara, JL Mañes… - Physical Review …, 2021 - APS
The nondissipative (Hall) viscosity is known to play an interesting role in two-dimensional
(2D) topological states of matter, in the hydrodynamic regime of correlated materials, and in …

Phonon thermal Hall effect in a non-Kramers paramagnet

H Guo - Physical Review Research, 2023 - APS
With an increasing number of experiments observing phonon thermal Hall effect in magnets,
it is theoretically desired to have a minimal model for the phonon thermal Hall effect. In this …

Impurity-induced phonon thermal Hall effect in the antiferromagnetic phase of Sr2IrO4

A Ataei, G Grissonnanche, ME Boulanger… - arxiv preprint arxiv …, 2023 - arxiv.org
A thermal Hall effect is observed in an increasing number of insulators often attributed to
phonons, but the underlying mechanism is in most cases unknown. A coupling of phonons …

Chiral spin liquid and quantum phase diagram of spin- model on the square lattice

XT Zhang, Y Huang, HQ Wu, DN Sheng, SS Gong - Physical Review B, 2024 - APS
We study the spin-1/2 Heisenberg model on the square lattice with the first-and second-
nearest-neighbor antiferromagnetic couplings J 1 and J 2, as well as the three-spin scalar …