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. 2022 Apr 26;13:2239. doi: 10.1038/s41467-022-29882-5

Fig. 2. Collective modes within the frequency parameter space.

Fig. 2

a The external magnetic field B modulated in 2D space by the axial magnetic oscillation frequencies, where θB is the orientation of B with respect to the x-axis. b Specific linear relationships between the two axial magnetic oscillation frequencies enables the different collective behaviors: Rotation (blue), static (red), oscillation (green), X chains (black), Y chains (gray), oscillating chains (cyan), gas-like mode containing self-propelling pairs, GaSPP (magenta). Ωx and Ωy are the oscillation frequencies of the external magnetic field along the x and y axes, respectively.