ICATE   21876
INSTITUTO DE CIENCIAS ASTRONOMICAS, DE LA TIERRA Y DEL ESPACIO
Unidad Ejecutora - UE
artículos
Título:
Exact solution of the Percus-Yevick integral equation for fluid mixtures of hard hyperspheres
Autor/es:
ROHRMANN, R. D.; SANTOS, A.
Revista:
PHYSICAL REVIEW E - STATISTICAL PHYSICS, PLASMAS, FLUIDS AND RELATED INTERDISCIPLINARY TOPICS
Editorial:
The American Physical Society
Referencias:
Año: 2011 vol. 84 p. 1 - 5
ISSN:
1063-651X
Resumen:
Structural and thermodynamic properties of multicomponent hard-sphere
fluids at odd dimensions have recently been derived in the framework of
the rational function approximation (RFA) [Rohrmann and Santos, Phys.
Rev. EPLEEE81539-375510.1103/PhysRevE.83.011201 83, 011201 (2011)]. It
is demonstrated here that the RFA technique yields the exact solution of
the Percus-Yevick (PY) closure to the Ornstein-Zernike (OZ) equation for
binary mixtures at arbitrary odd dimensions. The proof relies mainly on
the Fourier transforms ĉij(k) of the direct correlation
functions defined by the OZ relation. From the analysis of the poles of
ĉij(k) we show that the direct correlation functions
evaluated by the RFA method vanish outside the hard core, as required by
the PY theory.