Matrix H in Subspace 30 with Dimension 4
H is the Hamiltonian.
Here we set µ=0.
For grand-canonical calculations add -6µ to the main diagonal.
-2*h |
0 |
0 |
-2*Sqrt[2]*t |
0 |
-2*h + U |
-2*Sqrt[2]*t |
0 |
0 |
-2*Sqrt[2]*t |
-2*h + U |
-2*t |
-2*Sqrt[2]*t |
0 |
-2*t |
-2*h + U |