Finite-temperature transport in one-dimensional quantum lattice models

B Bertini, F Heidrich-Meisner, C Karrasch, T Prosen… - Reviews of Modern …, 2021 - APS
Over the last decade impressive progress has been made in the theoretical understanding
of transport properties of clean, one-dimensional quantum lattice systems. Many physically …

Anomalous Thermal Conductivity and Magnetic Torque Response in the Honeycomb Magnet

IA Leahy, CA Pocs, PE Siegfried, D Graf, SH Do… - Physical review …, 2017 - APS
We report on the unusual behavior of the in-plane thermal conductivity κ and torque τ
response in the Kitaev-Heisenberg material α-RuCl 3. κ shows a striking enhancement with …

Heat transport of cuprate-based low-dimensional quantum magnets with strong exchange coupling

C Hess - Physics Reports, 2019 - Elsevier
Transport properties provide important access to a solid's quasiparticles, such as
quasiparticle density, mobility, and scattering. The transport of heat can be particularly …

Achieving Large and Anisotropic Spin‐Mediated Thermal Transport in Textured Quantum Magnets

S Guo, X Bai, B Liang, T Hoke, M Liu… - Advanced Functional …, 2024 - Wiley Online Library
Spin excitations, including magnons and spinons, can carry thermal energy and spin
information. Studying spin‐mediated thermal transport is crucial for spin caloritronics …

Modified Matthiessen's rule: More scattering leads to less resistance

M Žnidarič - Physical Review B, 2022 - APS
We study the breaking of integrability by a finite density of dilute impurities, specifically the
emerging diffusive transport. Provided the distance between impurities (localized …

Heat transport in spin chains with weak spin-phonon coupling

AL Chernyshev, AV Rozhkov - Physical review letters, 2016 - APS
The heat transport in a system of S= 1/2 large-J Heisenberg spin chains, describing closely
Sr 2 CuO 3 and SrCuO 2 cuprates, is studied theoretically at T≪ J by considering …

Spin and thermal conductivity in a classical disordered spin chain

B Jenčič, P Prelovšek - Physical Review B, 2015 - APS
The transport quantities of a classical spin chain with quenched disorder in
antiferromagnetic coupling J i are evaluated using a dynamical simulation at finite …

Effect of different in-chain impurities on the magnetic properties of the spin chain compound probed by NMR

Y Utz, F Hammerath, R Kraus, T Ritschel, J Geck… - Physical Review B, 2017 - APS
The S= 1/2 Heisenberg spin chain compound SrCuO 2 doped with different amounts of
nickel (Ni), palladium (Pd), zinc (Zn), and cobalt (Co) has been studied by means of Cu …

Coupling of Spinons with Defects and Phonons in the Spin Chain Compound

X Chen, J Carrete, S Sullivan, A van Roekeghem… - Physical Review Letters, 2019 - APS
Extrinsic spinon scattering by defects and phonons instead of intrinsic spinon-spinon
coupling is responsible for resistive magnetic heat transport in one-dimensional (1D) …

Spin pseudogap in the chain material with impurities

G Simutis, S Gvasaliya, NS Beesetty, T Yoshida… - Physical Review B, 2017 - APS
The low-energy magnetic excitation spectrum of the Heisenberg antiferromagnetic S= 1/2
chain system Sr 2 CuO 3 with Ni and Ca impurities is studied by neutron spectroscopy. In all …