Resolution:
## Figure 1.
Magnetoresistance measurements R_{xx }( B ) at V_{g }= -0.08 V for sample A at T = 0.3 K. The maxima in R_{xx }occur when the Fermi energy lies in the nth spin-split Landau levels as indicated by n = 3↓ and n = 3↑, n = 2↓ and n = 2↑, and n = 1↓ and n = 1↑, respectively.
Huang |