Quantum Monte Carlo simulation of spin-polarized H (CROSBI ID 131385)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Vranješ Markić, Leandra ; Boronat, Jordi ; Casulleras, Joaquim
engleski
Quantum Monte Carlo simulation of spin-polarized H
The ground-state properties of spin polarized hydrogen H down arrow are obtained by means of diffusion Monte Carlo calculations. Using the most accurate to date ab initio H down arrow-H down arrow interatomic potential we have studied its gas phase, from the very dilute regime until densities above its freezing point. At very small densities, the equation of state of the gas is very well described in terms of the gas parameter rho a(3), with a the s-wave scattering length. The solid phase has also been studied up to high pressures. The gas-solid phase transition occurs at a pressure of 173 bar, a much higher value than suggested by previous approximate descriptions.
Bose-Einstein condensation; aligned atomic-hydrogen; ground-state properties; variational calculations; hard-spheres; deuterium; gas; energy; liquid; system
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Podaci o izdanju
75 (6)
2007.
0645061-9-x
objavljeno
1098-0121