From owner-chemistry: at :ccl.net Fri Jan 25 04:03:00 2013
From: "Eli Lam elizabeth.shlam||gmail.com" <owner-chemistry-.-server.ccl.net>
To: CCL
Subject: CCL: Query on radiative decay rate constant formula
Message-Id: <-48132-130125033802-2742-zAdjEACBTo0V+PcSlIc/vw-.-server.ccl.net>
X-Original-From: "Eli  Lam" <elizabeth.shlam^-^gmail.com>
Date: Fri, 25 Jan 2013 03:38:01 -0500


Sent to CCL by: "Eli  Lam" [elizabeth.shlam _ gmail.com]
Dear CCLers,

I have been reading papers on radiative decay rate constant.  In general, 
people start of with the formulae: ((16x10^6 pi^3 E^3) /3h(epsilon))*
(transition dipole moments), where h is the Planck's constant, epsilon is the 
vacuum permittivity, and E is the excitation energy, (Inorganic Chemistry, 42, 
20, 2003).  Yersin starts with the formulae: (64pi^4 E^3 / 3hc^3) *(transition 
dipole moments), where c is the speed of light (Coordination Chemistry Reviews 
255, 2622, 2011).  

I would like to ask 
1) How is the two formula related?
2) How is these two formula derived?

Thank you very much!
Eli