Monte carlo methods in quantum many-body theories

2008 ◽  
pp. 269-336 ◽  
Author(s):  
Rafael Guardiola
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Methods ◽  
Many Body

scholarly journals QUANTUM MONTE CARLO METHODS FOR NUCLEI AT FINITE TEMPERATURE

2001 ◽  
Vol 15 (10n11) ◽  
pp. 1447-1462 ◽  
Author(s):  
Y. ALHASSID
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Methods ◽  
Finite Temperature ◽  
Quantum Monte Carlo ◽  
Configuration Spaces ◽  
Many Body ◽  
Level Densities ◽  
Sign Problem ◽  
Quantum Monte Carlo Methods ◽  
Nuclear Shell

We discuss finite temperature quantum Monte Carlo methods in the framework of the interacting nuclear shell model. The methods are based on a representation of the imaginary-time many-body propagator as a superposition of one-body propagators describing non-interacting fermions moving in fluctuating auxiliary fields. Fermionic Monte Carlo calculations have been limited by a "sign" problem. A practical solution in the nuclear case enables realistic calculations in much larger configuration spaces than can be solved by conventional methods. Good-sign interactions can be constructed for realistic estimates of certain nuclear properties. We present various applications of the methods for calculating collective properties and level densities.

Fundamental gap of fluorographene by many-body GW and fixed-node diffusion Monte Carlo methods

2020 ◽  
Vol 153 (18) ◽  
pp. 184706
Author(s):  
Matúš Dubecký ◽  
František Karlický ◽  
Stanislav Minárik ◽  
Lubos Mitas
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Methods ◽  
Many Body ◽  
Diffusion Monte Carlo ◽  
Fixed Node

Monte carlo methods in quantum many-body problems

1979 ◽  
Vol 328 (1-2) ◽  
pp. 153-168 ◽  
Author(s):  
M.H. Kalos
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Methods ◽  
Many Body

MODELING OF A TURBULENT ETHYLENE/AIR JET FLAME USING HYBRID FINITE VOLUME/MONTE CARLO METHODS

2009 ◽  
Vol 1 (1) ◽  
pp. 37-53 ◽  
Author(s):  
Ranjan S. Mehta ◽  
Anquan Wang ◽  
Michael F. Modest ◽  
Daniel C. Haworth
Keyword(s):  
Monte Carlo ◽  
Finite Volume ◽  
Monte Carlo Methods ◽  
Jet Flame ◽  
Air Jet
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