Heat transfer mediated by the Berry-phase in non-reciprocal many-body systems

TL;DR

This paper explores how Berry-phase effects influence heat transfer in non-reciprocal many-body systems, revealing that geometric phases can modulate relaxation speeds and impact thermal management strategies.

Contribution

It introduces the concept that geometric phases, specifically Berry-phase effects, can alter the relaxation dynamics in non-reciprocal thermal systems, a novel insight in thermal physics.

Findings

Geometric phase can accelerate or decelerate relaxation.

Berry-phase influences thermal relaxation beyond dynamical phases.

Potential applications in thermal management systems.

Abstract

We investigate the adiabatic evolution of thermal state in non-reciprocal many-body systems coupled to their environment and subject to periodic drivings. In such systems we show that besides the dynamical phase a geometrical phase can exist and it drives the relaxation dynamic of the system. On the contrary to the dynamical phase which always pushes the system toward its equilibrium state we show that the geometric phase can speed up or reduce the speed of relaxation process. These results could have applications in the field of thermal management of complex systems.