# Heat transport via low-dimensional systems with broken time-reversal symmetry

## TL;DR

This paper investigates heat transport in low-dimensional systems with broken time-reversal symmetry, revealing a new universality class and the impact of magnetic fields on sound wave propagation and thermal conductivity.

## Contribution

It introduces an exactly solvable model demonstrating a novel universality class in heat transport with broken time-reversal symmetry.

## Key findings

- Absence of sound waves in certain charge configurations.
- Altered relation between correlation functions and thermal conductivity.
- Identification of a new universality class in heat transport.

## Abstract

We consider heat transport through systems with broken time-reversal symmetry. We apply strong magnetic fields to weakly charged particle systems, where the dynamics are dominated by the Lorentz force and spring forces. The standard momentum conservation is not satisfied and the sound wave disappears depending on the charge structure. We introduce an exactly solvable model and demonstrate the appearance of a new universality class. The absence of sound waves affects the relation between equilibrium correlation and the diverging thermal conductivity in the open system.