Matrix H in Subspace 17 with Dimension 4
H is the Hamiltonian.
Here we set µ=0.
For grand-canonical calculations add -6µ to the main diagonal.
|
-2*h + U |
-(Sqrt[2]*t) |
-(Sqrt[3]*t) |
2*t |
|
-(Sqrt[2]*t) |
-2*h + U |
0 |
0 |
|
-(Sqrt[3]*t) |
0 |
-2*(h - U) |
0 |
|
2*t |
0 |
0 |
-2*h + U |