Dielectric constant anomaly of CO near its liquid-vapor critical point

M. W. Pestak, Moses Hung-Wai Chan

Research output: Contribution to journalArticle

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Abstract

The first observation of the predicted anomaly in the static dielectric constant of a pure fluid near its critical point is reported. This anomaly, not observed to date in nonpolar fluids, is now seen in CO, a polar fluid. The anomalous increase in the dielectric constant, reaches 1×10-3 for fluid with density very close to the critical value. The functional form of the anomaly is consistent with current theoretical predictions.

Original languageEnglish (US)
Pages (from-to)943-946
Number of pages4
JournalPhysical Review Letters
Volume46
Issue number14
DOIs
StatePublished - Jan 1 1981

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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