First-Order Density Matrix, Pair-Distribution Function And Structure Factor of a Fermi Liquid

1996 ◽  
Vol 32 (4) ◽  
pp. 245-249
Author(s):  
A. Holas ◽  
N. H. March
Keyword(s):  
Distribution Function ◽  
Density Matrix ◽  
Structure Factor ◽  
Fermi Liquid ◽  
Pair Distribution Function ◽  
First Order ◽  
Matrix Pair

Structure Properties in a Bidisperse Ferrofluid in the Absence of an External Magnetic Field

2015 ◽  
Vol 233-234 ◽  
pp. 323-326
Author(s):  
Yuliya E. Nekhoroshkova ◽  
Ekaterina A. Elfimova
Keyword(s):  
Magnetic Field ◽  
Distribution Function ◽  
External Magnetic Field ◽  
External Field ◽  
Pair Distribution Function ◽  
Interaction Strength ◽  
Dipole Interaction ◽  
First Order ◽  
Analytical Expressions ◽  
Structure Properties

The structure properties of a ferrofluid modeled by a bidisperse system of dipolar hardspheres are studied theoretically for the case of zero external field. Analytical expressions are providedfor the pair distribution function (PDF) and structure factor (SF) to within the first order in numberdensity and the second order in dipole-dipole interaction strength. The influence of the granulometriccomposition on the behavior of the PDF and the position of the first peak of the SF is analyzed.

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