Switchable Dissipative Ising coupling Based on Three-Body Coupling in magnon systems

• URL: http://arxiv.org/abs/2511.22068v1
• Date: Thu, 27 Nov 2025 03:38:00 GMT
• Title: Switchable Dissipative Ising coupling Based on Three-Body Coupling in magnon systems
• Authors: Xi-Wen Dou, Zheng-Yang Zhou, Ai-Xi Chen,
• Abstract summary: We propose a method to realize switchable dissipative Ising coupling in magnon systems.<n>This type of dissipative coupling is a critical component for constructing Ising machines.
• Score: 10.990967885586928
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Magnonic systems present a compelling platform for quantum technology, owing to their strong capacity to form hybrid quantum systems via diverse couplings. To unlock the full potential of these systems, the engineering of flexible coupling between multiple magnon modes is essential. Here, we propose a method to realize switchable dissipative Ising coupling in magnon systems, leveraging the three-body coupling among photon, phonon, and magnon. This type of dissipative coupling is a critical component for constructing Ising machines designed to solve complex combinatorial optimization problems. By dynamically tuning the phase of a nonlinear mechanical pump, we demonstrate the realization of both ferromagnetic and antiferromagnetic dissipative interactions. The validity of the scheme is confirmed by numerical simulations, which also demonstrate its robustness against a strong uncontrollable part of dissipation. Our work provides a versatile tool that can facilitate the implementation of magnon-based quantum computing and the exploration of many-body magnon physics.

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