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The ground state of liquid helium-four

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Title: The ground state of liquid helium-four
Author(s): McMillan, William Lauchlin
Doctoral Committee Chair(s): Bardeen, John
Department / Program: Physics
Discipline: Physics
Degree Granting Institution: University of Illinois at Urbana-Champaign
Degree: Ph.D.
Genre: Dissertation
Subject(s): ground state of liquid helium variational wave function configuration space integrals Monte Carlo
Abstract: The properties of the ground state of liquid He-4 are studied using a variational wave function of the form TT f(rij)o The Lennard-Jones 12-6 potential with i<j parameters determined from the gas data by de Boer and Michels is used o The configuration space integrals are performed by the Monte Carlo method of Metropolis eto alo for 32 and 108 atoms in the periodic cubeo With fer) • exp(-(2 0 6A/r)5) the ground state energy is found to be -15 ergs/atom which is 20% above the experimental value. The liquid structure factor and the two-particle correlation function are in reasonably good agreement with the X-ray and neutron scattering experiments
Issue Date: 1964
Genre: Dissertation / Thesis
Type: Text
Language: English
URI: http://hdl.handle.net/2142/23956
Rights Information: Copyright 1964 William Lauchlin McMillan
Date Available in IDEALS: 2011-05-19
Identifier in Online Catalog: 6135784
 

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