Path integrals in the theory of condensed helium
DM Ceperley - Reviews of Modern Physics, 1995 - APS
One of Feynman's early applications of path integrals was to superfluid He 4. He showed
that the thermodynamic properties of Bose systems are exactly equivalent to those of a …
that the thermodynamic properties of Bose systems are exactly equivalent to those of a …
Density-functional theory of freezing and properties of the ordered phase
Y Singh - Physics Reports, 1991 - Elsevier
We review a theory of freezing based on the density-functional approach andcompare a
variety of its versions. The application of the theory to the freezing of various simple and …
variety of its versions. The application of the theory to the freezing of various simple and …
[BOOK][B] Quantum liquids: Bose condensation and Cooper pairing in condensed-matter systems
AJ Leggett - 2006 - books.google.com
Starting from first principles, this book introduces the closely related phenomena of Bose
condensation and Cooper pairing, in which a very large number of single particles or pairs …
condensation and Cooper pairing, in which a very large number of single particles or pairs …
Computational studies of quantum spin systems
AW Sandvik - AIP Conference Proceedings, 2010 - pubs.aip.org
These lecture notes introduce quantum spin systems and several computational methods for
studying their ground‐state and finite‐temperature properties. Symmetry‐breaking and …
studying their ground‐state and finite‐temperature properties. Symmetry‐breaking and …
Path-integral computation of superfluid densities
EL Pollock, DM Ceperley - Physical Review B, 1987 - APS
The normal and superfluid densities are defined by the response of a liquid to sample
boundary motion. The free-energy change due to uniform boundary motion can be …
boundary motion. The free-energy change due to uniform boundary motion can be …
[PDF][PDF] On the simulation of quantum systems: path integral methods
Feynman's path integral formulation of quantum statistical mechanics (1) makes possible the
computer simulation of quantum many-body systems of chemical and physical interest [(2a …
computer simulation of quantum many-body systems of chemical and physical interest [(2a …
Ab initio path integral molecular dynamics: Basic ideas
D Marx, M Parrinello - The Journal of chemical physics, 1996 - pubs.aip.org
The essential ideas underlying ab initio path integral molecular dynamics and its efficient
numerical implementation are discussed. In this approach the nuclei are treated as quantum …
numerical implementation are discussed. In this approach the nuclei are treated as quantum …
Vortex Entanglement in High- Superconductors
DR Nelson - Physical Review Letters, 1988 - APS
New kinds of intermediate flux states should be accessible in high-T c superconductors, in
fields slightly above H c 1. Flux-line wandering leads to an entangled vortex state whose …
fields slightly above H c 1. Flux-line wandering leads to an entangled vortex state whose …
Fermion nodes
DM Ceperley - Journal of statistical physics, 1991 - Springer
The knowledge of the nodes of the many-fermion wave function would enable exact
calculation of the properties of fermion systems by Monte Carlo methods. It is proved that …
calculation of the properties of fermion systems by Monte Carlo methods. It is proved that …
Worm algorithm and diagrammatic Monte Carlo: A new approach to continuous-space path integral Monte Carlo simulations
A detailed description is provided of a new worm algorithm, enabling the accurate
computation of thermodynamic properties of quantum many-body systems in continuous …
computation of thermodynamic properties of quantum many-body systems in continuous …