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Israel Journal of Chemistry Vol. 43 2003 pp. 363371 *Authortowhomcorrespondenceshouldbeaddressed.E-mail
 

Summary: Israel Journal of Chemistry Vol. 43 2003 pp. 363­371
*Authortowhomcorrespondenceshouldbeaddressed.E-mail:
agmon@fh.huji.ac.il
Relation between Macroscopic and Microscopic Dielectric Relaxation Times
in Water Dynamics
VLADIMIR I. ARKHIPOVa,b
AND NOAM AGMONa,
*
a
Department of Physical Chemistry and the Fritz Haber Research Center, The Hebrew University of Jerusalem,
Jerusalem 91904, Israel
b
Department of Radioelectronics, Kazan State University, Kazan 420008, Russia
(Received 27 June 2003 and in revised form 31 August 2003)
Abstract. A simplified derivation for the ratio of macroscopic to microscopic
relaxation times of polar liquids is based on the Mori­Zwanzig projection-operator
technique, with added statistical assumptions. We obtain several useful forms for the
lifetime ratio, which we apply to the dynamics of liquid water. Our theoretical
single-molecule relaxation times agree with the second Debye relaxation times as
measured by frequency-domain dielectric spectroscopy of water and alcohols. From

  

Source: Agmon, Noam - Institute of Chemistry, Hebrew University of Jerusalem

 

Collections: Chemistry