4 papers
Low energy and dynamical properties of a single hole in the t-Jz model
Q. F. Zhong, S. Sorella
We review in details a recently proposed technique to extract information about dynamical correlation functions of many-body hamiltonians with a few Lanczos iterations and without…
Hole dynamics in a quantum antiferromagnet beyond the retraceable path approximation
Q. F. Zhong, S. Sorella, A. Parola
The one-hole spectral weight for two chains and two dimensional lattices is studied numerically using a new method of analysis of the spectral function within the Lanczos iteration…
Realization of a Spin liquid in a Two Dimensional Quantum Antiferromagnet
A. Parola, S. Sorella, Q. F. Zhong
The ground state properties of the two dimensional spatially anisotropic Heisenberg model are investigated by use of field theory mappings, spin-wave expansion and Lanczos techniqu…
Gutzwiller-Jastrow Wavefunctions for the Hubbard Model
D. F. Wang Joseph Henry, Q. F. Zhong, P. Coleman Serin
In this work, we study the wavefunctions of the one dimensional Hubbard model in the strong interaction limit . A set of Gutzwiller-Jastorw wavefunctions are shown…