Nonreciprocal heat transport in the Kitaev chiral spin liquid

Nonreciprocal transport, characterized by its direction-selective nature, holds significant potential for applications due to its rectification. Here, the authors theoretically investigate nonreciprocal heat transport in the Kitaev chiral spin liquid with open boundaries, where the Dzyaloshinskii-Moriya interaction is considered. They show the nonreciprocal heat transport even with considering the contributions from both of counter-propagating upper and lower edge states. Also, the potential exists to manipulate both of the directions and magnitude of the nonreciprocal current by varying external magnetic fields.