Matrix H in Subspace 111 with Dimension 4
H is the Hamiltonian.
Here we set µ=0.
For grand-canonical calculations add -6µ to the main diagonal.
|
2*U |
(I/2)*(I + Sqrt[3])*t |
Sqrt[2]*t |
0 |
|
(-I/2)*(-I + Sqrt[3])*t |
2*U |
0 |
Sqrt[2]*t |
|
Sqrt[2]*t |
0 |
2*U |
0 |
|
0 |
Sqrt[2]*t |
0 |
3*U |