Matrix H in Subspace 146 with Dimension 3
H is the Hamiltonian. Here we set µ=0. For grand-canonical calculations add -6µ to the main diagonal.
2*h
0
I*Sqrt[6]*t
0
2*h + U
(-I/2)*(-3*I + Sqrt[3])*t
(-I)*Sqrt[6]*t
(I/2)*(3*I + Sqrt[3])*t
2*h + U