scholarly journals Fractional Charge by Fixed-Node Diffusion Monte Carlo Method

2019 ◽  
Vol 123 (15) ◽  
Author(s):  
Matej Ditte ◽  
Matúš Dubecký
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Method ◽  
Diffusion Monte Carlo ◽  
Fractional Charge ◽  
Diffusion Monte Carlo Method ◽  
Fixed Node

Diffusion Monte Carlo study of excitons and biexcitons in a mass-asymmetric electron–hole bilayer

2017 ◽  
Vol 19 (31) ◽  
pp. 20778-20785 ◽  
Author(s):  
Rajesh O. Sharma ◽  
L. K. Saini ◽  
Bhagwati Prasad Bahuguna
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Method ◽  
Ground State ◽  
Monte Carlo Study ◽  
Diffusion Monte Carlo ◽  
Electron Hole ◽  
Bilayer System ◽  
System P ◽  
Diffusion Monte Carlo Method ◽  
Fixed Node

We employed the diffusion Monte Carlo method, under fixed node approximation, to investigate the various ground state properties of a mass-asymmetric electron–hole bilayer system.

ANALYSIS OF THE INTERATOMIC POTENTIAL OF THE HELIUM SYSTEMS

2006 ◽  
Vol 20 (19) ◽  
pp. 2682-2686
Author(s):  
SEBASTIAN UJEVIC ◽  
S. A. VITIELLO
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Method ◽  
Equation Of State ◽  
Interatomic Potential ◽  
Great Accuracy ◽  
Interatomic Potentials ◽  
Diffusion Monte Carlo ◽  
Diffusion Monte Carlo Method

The effects of interatomic potentials in the equation of state of 4 He and other properties of the system are investigated. A multi-weight diffusion Monte Carlo method is applied in order to compute very small energies differences with great accuracy. From our analysis we identify the best current description for the helium systems.

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