Fixed-node method and geminal nodes (60' lecture)

Lubos Mitas

Link to Presentation slides (in PPT or PDF) format:

Nature of the fermion sign problem

Fixed-node approximation and upper-bound property
Nodes and nonlocal Hamiltonians (??? probably Michele)
Fermion nodes of HF wavefunctions
Fermion nodes beyond Hartree-Fock
General properties of fermion nodes
Wavefunctions beyond single-particle orbitals:
BCS and pfaffians
Pfaffians - relevance and properties
Comparisons with determinants
Calculations with pfaffian wavefunctions

Comments

Some comments from instructor, such as prerequisite reading.