Computer simulation of dipolar fluids. Dependence of the dielectric constant on system size: a comparative study of Ewald sum and reaction field approaches
We report Monte Carlo calculations on a Stockmayer fluid ( μ*=1, T*=1, ρ*=0.8) using both Ewald sum (EW) and reaction field (RF) approaches. We investigate the dependence of dielectric constant on system size. This dependence is less marked for EW than for RF. However, for a given number of particle...
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Veröffentlicht in: | The Journal of chemical physics 1986-08, Vol.85 (3), p.1502-1504 |
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creator | GRAY, C. G SAINGER, Y. S JOSLIN, C. G CUMMINGS, P. T GOLDMAN, S |
description | We report Monte Carlo calculations on a Stockmayer fluid ( μ*=1, T*=1, ρ*=0.8) using both Ewald sum (EW) and reaction field (RF) approaches. We investigate the dependence of dielectric constant on system size. This dependence is less marked for EW than for RF. However, for a given number of particles the RF run time is substantially shorter. Both methods therefore offer some computational advantage. Overall, RF is to be preferred because of greater ease of programming. |
doi_str_mv | 10.1063/1.451189 |
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Dependence of the dielectric constant on system size: a comparative study of Ewald sum and reaction field approaches</atitle><jtitle>The Journal of chemical physics</jtitle><date>1986-08-01</date><risdate>1986</risdate><volume>85</volume><issue>3</issue><spage>1502</spage><epage>1504</epage><pages>1502-1504</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>We report Monte Carlo calculations on a Stockmayer fluid ( μ*=1, T*=1, ρ*=0.8) using both Ewald sum (EW) and reaction field (RF) approaches. We investigate the dependence of dielectric constant on system size. This dependence is less marked for EW than for RF. However, for a given number of particles the RF run time is substantially shorter. Both methods therefore offer some computational advantage. Overall, RF is to be preferred because of greater ease of programming.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.451189</doi><tpages>3</tpages></addata></record> |
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subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Dielectric properties of solids and liquids Dielectrics, piezoelectrics, and ferroelectrics and their properties Exact sciences and technology Permittivity (dielectric function) Physics |
title | Computer simulation of dipolar fluids. Dependence of the dielectric constant on system size: a comparative study of Ewald sum and reaction field approaches |
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