Magnetic Resonance Imaging (MRI) is crucial in global healthcare, but the traditional receive coils, as a core component of MRI, SNR enhancement is limited due to the optimization of channel number and magnetic field strength faces high cost and complexity challenges. Here, we demonstrate the use of a topological material to enhance MRI signal reception. Designed with a stack of weak couplings, this material forms quasi-two-dimensional dual topological boundary states. High properties are achieved through low-loss signal transmission via these topological states, as well as only enhanced local magnetic fields and increased number of channels. Initial tests demonstrate superior performance and accessibility compared to commercial coils, suggesting significant potential. This concept introduces a transformative paradigm for all MRI coil designs.
@article{arxiv.2602.05256,
title = {Topological Metamaterial for Magnetic Resonance Imaging},
author = {Siyong Zheng and Maopeng Wu and Zhonghai Chi and Xinxin Li and Mingze Weng and Fubei Liu and Yingyi Qi and Yi Yi and Yakui Wang and Jie Gao and Guoxiang Zhan and Zewen Chen and Shuojun Ling and Yucheng Wei and Zhuozhao Zheng and Qian Zhao and Ji Zhou},
journal= {arXiv preprint arXiv:2602.05256},
year = {2026}
}