2 papers
cond-mat.str-el2018
The Hubbard Model: A Computer Lab in the Strong Coupling Region
Donald M. Esterling
A challenge - and opportunity - is offered to the Hubbard Model community of solutions extant for the strong coupling region. A rigorous and quantitatively demanding test - a Compu…
cond-mat.str-el2018
The Hubbard Model: Exact Results in the Strong Coupling Limit
Donald M. Esterling
Exact relations are derived for the Fermi Hubbard spectral weight function for infinite U at zero temperature in the thermodynamic limit for any dimension,any lattice structure and…