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      <subfield code="a">Ripoll, M. S.</subfield>
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      <subfield code="a">Fernández Tejero, Carlos</subfield>
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      <subfield code="c">1995-06-10</subfield>
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      <subfield code="a">A simple approximate analytical expression for the direct correlation function of a hard-sphere fluid in D dimensions within the Percus-Yevick equation is proposed. The approximation exactly reproduces the well-known results for D = 1 and D = 3, while for D = 2 it compares well to the numerical results for densities not very close to the freezing density.</subfield>
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      <subfield code="a">0026-8976</subfield>
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      <subfield code="a">10.1080/00268979500101211</subfield>
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      <subfield code="a">https://hdl.handle.net/20.500.14352/58882</subfield>
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      <subfield code="a">http://dx.doi.org/10.1080/00268979500101211</subfield>
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      <subfield code="a">Approximate analytical expression for the direct correlation-function of hard discs within the Percus-Yevick equation</subfield>
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