Euler-Lagrange equations and hypernetted chain calculations of boson matter |
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| Authors: | A.D. Jackson A. Lande L.J. Lantto |
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| Affiliation: | 1. NORDITA, Copenhagen, Denmark;2. Department of Physics State University of New York, Stony Brook, NY, USA;3. The Niels Bohr Institute, Copenhagen, Denmark;4. Institute for Theoretical Physics University of Groningen, Groningen, The Netherlands;5. NORDITA, Copenhagen, Denmark;6. Department of Theoretical Physics, University of Oulu, Oulu, Finland |
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| Abstract: | The use of two-body distribution functions which minimize the HNC approximation to the Jackson-Feenberg energy of boson matter is shown to lead to convenient expressions for the calculation of , pressure and compressibility. Study of the Pandharipande-Bethe energy of boson matter does not reveal a minimum and raises questions regarding the utility of this energy functional. |
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