# k  = 2 pi / L
#L      # -D_A   (as defined in Eqs. 37 and 38)      #comments
0.01      -0.0030270336
0.1       -0.00030272640
0.25      -0.00012126968
0.5       -6.0458203e-05
1.0       -3.0262917e-05
2.0       -1.5104443e-05
5.0       -6.0412937e-06
10.0      -3.0268633e-06