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Ground State Properties of a 3He Impurity in Liquid 4He Monolayers (Preprint).

Author: C I Um; S K Yoo; Thomas F George; WASHINGTON STATE UNIV PULLMAN Dept. of CHEMISTRY.
Publisher: Ft. Belvoir : Defense Technical Information Center, AUG 1991.
Edition/Format:   eBook : English
Database:WorldCat
Summary:
We present the results of ground-state energies, radial distribution functions, liquid structure functions and effective interactions for a He impurity in a He background in two dimensions. The hypernetted-chain scheme for the system described by a Jastrow-type wavefunction is used, taking into account the triplet correlations and elementary diagrams up to fifth order. Solving the Euler Lagrange equations for the  Read more...
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Material Type: Internet resource
Document Type: Internet Resource
All Authors / Contributors: C I Um; S K Yoo; Thomas F George; WASHINGTON STATE UNIV PULLMAN Dept. of CHEMISTRY.
OCLC Number: 227772245
Notes: Technical rept. no. 60.
Description: 27 pages ; 23 x 29 cm

Abstract:

We present the results of ground-state energies, radial distribution functions, liquid structure functions and effective interactions for a He impurity in a He background in two dimensions. The hypernetted-chain scheme for the system described by a Jastrow-type wavefunction is used, taking into account the triplet correlations and elementary diagrams up to fifth order. Solving the Euler Lagrange equations for the two-body distribution functions, which contain triplet correlation and elementary diagrams, improves the results considerably. Furthermore, as a He impurity is inserted into the He background the ground- state energy increases, but the equilibrium density decreases from 0.0350 A to the -2nd power to 0.0336 A to the -2nd power. The radial distribution function is broadened, while its maximum is lowered and shifted to the right (the direction of increasing radial distance) due to its larger zero-point energy, with therefore less localization of the He particle. The results are compared with Monte Carlo results and other studies.

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