scholarly journals Systematic comparison and cross-validation of fixed-node diffusion Monte Carlo and phaseless auxiliary-field quantum Monte Carlo in solids

2020 ◽  
Vol 102 (16) ◽  
Author(s):  
Fionn D. Malone ◽  
Anouar Benali ◽  
Miguel A. Morales ◽  
Michel Caffarel ◽  
Paul R. C. Kent ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
Cross Validation ◽  
Auxiliary Field ◽  
Diffusion Monte Carlo ◽  
Systematic Comparison ◽  
Fixed Node

Quantifying electron-correlation effects in small coinage-metal clusters by ab initio calculations

2021 ◽  
Author(s):  
Victor Giovanni de Pina ◽  
Bráulio Gabriel Alencar Brito ◽  
Guo -Q Hai ◽  
Ladir Cândido
Keyword(s):  
Monte Carlo ◽  
Ab Initio Calculations ◽  
Ab Initio ◽  
Electron Correlation ◽  
Metal Clusters ◽  
Correlation Effects ◽  
Diffusion Monte Carlo ◽  
Coinage Metal ◽  
Electron Correlation Effects ◽  
Fixed Node

We investigate many-electron correlation effects in neutral and charged coinage-metal clusters Cun, Agn, and Aun (n = 1 − 4) by ab initio calculations using fixed-node diffusion Monte Carlo (FN-DMC)...

scholarly journals Toward a systematic improvement of the fixed-node approximation in diffusion Monte Carlo for solids—A case study in diamond

2020 ◽  
Vol 153 (18) ◽  
pp. 184111
Author(s):  
Anouar Benali ◽  
Kevin Gasperich ◽  
Kenneth D. Jordan ◽  
Thomas Applencourt ◽  
Ye Luo ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Diffusion Monte Carlo ◽  
Systematic Improvement ◽  
Fixed Node

scholarly journals Phase separation in the two-dimensional Hubbard model: A fixed-node quantum Monte Carlo study

1998 ◽  
Vol 58 (22) ◽  
pp. R14685-R14688 ◽  
Author(s):  
A. C. Cosentini ◽  
M. Capone ◽  
L. Guidoni ◽  
G. B. Bachelet
Keyword(s):  
Monte Carlo ◽  
Phase Separation ◽  
Hubbard Model ◽  
Quantum Monte Carlo ◽  
Monte Carlo Study ◽  
Two Dimensional ◽  
Fixed Node

scholarly journals Auxiliary-field quantum Monte Carlo calculations of the molybdenum dimer

2016 ◽  
Vol 144 (24) ◽  
pp. 244306 ◽  
Author(s):  
Wirawan Purwanto ◽  
Shiwei Zhang ◽  
Henry Krakauer
Keyword(s):  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
Auxiliary Field ◽  
Monte Carlo Calculations
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