2 papers
cond-mat.str-el2020
The Hubbard model on the Bethe lattice via variational uniform tree states: metal-insulator transition and a Fermi liquid
Peter Lunts, Antoine Georges, E. Miles Stoudenmire +1
We numerically solve the Hubbard model on the Bethe lattice with finite coordination number , and determine its zero-temperature phase diagram. For this purpose, we introduce…
quant-ph2019
Wavefunction positivization via automatic differentiation
Giacomo Torlai, Juan Carrasquilla, Matthew T. Fishman +2
We introduce a procedure to systematically search for a local unitary transformation that maps a wavefunction with a non-trivial sign structure into a positive-real form. The trans…