Sub-millikelvin station at Synergetic Extreme Condition User Facility<xref rid="cpb_27_7_070702fn1" ref-type="fn">*</xref> <fn id="cpb_27_7_070702fn1"> <label>*</label> <p>Project supported by the National Basic Research Program of China (Grant Nos. 2016YFA0300601, 2015CB921402, 2011CB921702, and 2009CB929101), the National Natural Science Foundation of China (Grant Nos. 11527806, 91221203, 11174340, 11174357, and 91421303), and the Strategic Priority Research Program B of the Chinese Academy of Sciences (Grant No. XDB07010100). Z.G.C. acknowledges the support from Hundreds Talent Program, Chinese Academy of Sciences.</p> </fn>

Sub-millikelvin station at Synergetic Extreme Condition User Facility* *

Project supported by the National Basic Research Program of China (Grant Nos. 2016YFA0300601, 2015CB921402, 2011CB921702, and 2009CB929101), the National Natural Science Foundation of China (Grant Nos. 11527806, 91221203, 11174340, 11174357, and 91421303), and the Strategic Priority Research Program B of the Chinese Academy of Sciences (Grant No. XDB07010100). Z.G.C. acknowledges the support from Hundreds Talent Program, Chinese Academy of Sciences.

Cheng Zhi Gang^{1, †}, Fan Jie¹, Jing Xiunian¹, Lu Li^{1, 2}

(color online) (a) Discrete orbitals with an edge current. (b) Landau levels with distortion at the edges. When the Fermi level lies between two Landau levels, the bulk is insulating, but the edge is conducting.