Composite Operator Method Analysis of the Underdoped Cuprates Puzzle

Figure 6

(Color online) (a) Density of states as a function of frequency for , (black squares) and , (red circles) and , (blue up triangles) and , and (green down triangles) and . (b) Spectral function in the proximity of the chemical potential at (black squares) , (red circles) (in the text), and (blue triangles) for , , and .

(a)

(b)