Hubbard Model 2.mws
Prepare 4-site vectors with 2 spin up and 2 spin down
Procedures for work with Hilbert space
Test of Inner Product
Test of Cm
Test of Cp
Test of Cp+Cm
Test of Np
Spin Operators
Test of Spin operators
Hamiltonian
Computations of the Hamiltonian as Matrix
Spin matrix
Calc. of the Ground State
Mean Kinetic and Interaction Energy