FIG. 3. (a),(b) Real space image of the 2 × 2 chiral charge order taken at B = − 3T and B = + 3T, respectively. The data are produced by the inverse Fourier transform of the 2 × 2 vector peaks in Fig. 2(e) and 2(f), respectively. (c),(d) Line-cut profile for along three directions marked in (a) and (b), respectively. The modulations along the three directions are different in both cases, defining a chirality. Magnetic field switch induces a switch of the strengths of two stronger modulations.
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