Accurate momentum distributions from computations on 3He and 4He

1987 ◽  
Vol 65 (11) ◽  
pp. 1409-1415 ◽  
Author(s):  
Paula Whitlock ◽  
Robert M. Panoff
Keyword(s):  
Monte Carlo ◽  
Green’S Function ◽  
Green's Function ◽  
Momentum Distribution ◽  
Pair Potential ◽  
Monte Carlo Calculations ◽  
Momentum Distributions ◽  
The One ◽  
Fixed Node ◽  
Green's Function Monte Carlo

The momentum distribution and condensate fraction of liquid and solid 4He determined from Green's function Monte Carlo calculations using the HFDHE2 pair potential are described. The one-body density matrix and the momentum distribution for liquid 3He derived from variational and fixed-node Green's function Monte Carlo calculations are also reported.

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