Figure 2From: Direct measurement of the spin gaps in a gated GaAs two-dimensional electron gasThe Local Fermi energy E and the corresponding 2D carrier density n 2D for different Landau levels. (a) Sample A and (b) sample B at T = 0.3 K. Circle, 3↓ and 1↓; square, 3↑ and 1↑; star, 2↓; triangle, 2↑.Back to article page