Comments on “transient electro-optic Kerr effect in spheroidal particles”

✍ Scribed by Wallace W. Yau; Charles M. Paulson Jr.

• Publisher: Wiley (John Wiley & Sons)
• Year: 1972
• Tongue: English
• Weight: 149 KB
• Volume: 11
• Category: Article
• ISSN: 0006-3525
• DOI: 10.1002/bip.1972.360110217

✦ Synopsis

111 :t revelit, l):ipw,* Wi.igltt. : t t d IGtcft: (WK) tlc:veloped :i t,licory whic*li predic:t,eci t.hat the birefringence of reluai,ioii of ellipsoids of revc~liii inn wilh optical synimetry shonld depend upon the two ro1,ary difiision coefficieitls for rotation about t.he symmetry and the transverse axes. This is contrary to previously published theories2+ which show that the birefringence relaxation curves for such systems should depend on only the rotary diffusion coefficient for rotation about, the transverse axes. For clarity, pertinent equations in the reference papers quoted here are displayed in the Appendix. We have fonnd that WK's equations ( 12) and ( 14) are in error. The insertion of an artificial $ dependence in equation ( 14) appears to be the primary cause of their erroneous conclusion.

The equation basic to WK's argument (WK( 12)) is not, as they stat.ed, equal to tshat derived by Perrin.6 The eqnation Perrin derived for spheroids is as follows (Perrin's equation (38), P(38)