Fermionic Shadow Wavefunction Variational calculations of the vacancy formation energy in $^3$He
Other Condensed Matter
2009-06-25 v1
Abstract
We present a novel technique well suited to study the ground state of inhomogeneous fermionic matter in a wide range of different systems. The system is described using a Fermionic Shadow wavefunction (FSWF) and the energy is computed by means of the Variational Monte Carlo technique. The general form of FSWF is useful to describe many--body systems with the coexistence of different phases as well in the presence of defects or impurities, but it requires overcoming a significant sign problem. As an application, we studied the energy to activate vacancies in solid He.
Keywords
Cite
@article{arxiv.0906.1498,
title = {Fermionic Shadow Wavefunction Variational calculations of the vacancy formation energy in $^3$He},
author = {L. Dandrea and F. Pederiva and S. Gandolfi and M. H. Kalos},
journal= {arXiv preprint arXiv:0906.1498},
year = {2009}
}
Comments
4 pages, 2 figures