Giovanni Bachelet
Phase separation in the Hubbard model: a fixed-node Green's Function Monte Carlo study


  1. Lecture 1:
    1. Fixed-Node Monte Carlo (FNMC) for lattice fermions
    2. GFMC on a lattice.
    3. The sign problem for fermions.
    4. The "Fixed-Node" effective hamiltonian of An, van Bemmel, ten Haaf, van Leeuwen, van Saarloos, and Ceperley.
  2. Lecture 2:
    1. 2D Hubbard model and phase separation
    2. Definitions and motivations.
    3. Guiding functions and their VMC optimization.
    4. FNMC results.

NATO ASI, Cornell Theory Center,

Last modified: Thu Jun 11 16:54:22 EDT 1998