Shim coil design for Halbach magnet by equivalent magnetic dipole method<xref rid="cpb_27_10_104101fn1" ref-type="fn">*</xref><fn id="cpb_27_10_104101fn1"><label>*</label><p>Project supported by the State Key Development Program for Basic Research of China (Grant No. 2014CB541602), the National Natural Science Foundation of China (Grant Nos. 51677008 and 51707028), and the Fundamental Research Funds of Central Universities, China (Grant No. 106112015CDJXY150003).</p></fn>

Shim coil design for Halbach magnet by equivalent magnetic dipole method**

Project supported by the State Key Development Program for Basic Research of China (Grant No. 2014CB541602), the National Natural Science Foundation of China (Grant Nos. 51677008 and 51707028), and the Fundamental Research Funds of Central Universities, China (Grant No. 106112015CDJXY150003).

Wu Jia-Min¹, Xu Zheng^{1, †}, Guo Pan^{2, ‡}, Qi Jin-Feng¹, He Yu-Cheng¹

(color online) Uniformity of B₀ field before shimming.