Observation of the Line-Mixing and Collision-Time Asymmetry of the 5 1 S0-5 3 P1 Line of the Even--Odd 113 Cd Isotope

A. Bielski, R. Ciuryło, J. Domysławska, D. Lisak, P. Masłowski, J. Szudy and R.S. Trawiński Institute of Physics, Nicholas Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland

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Received: February 25, 2004

The profiles of argon perturbed components of the 5 1 S0-5 3 P1 line of the even--odd 113 Cd isotope were measured using a laser-induced fluorescence method. It was shown that the asymmetries of the profiles are due to both the collision-duration and line-mixing effects.

PACS numbers: 32.70.--n, 33.70.--w, 34.20.--b

Light Propagation in a Magnetic Field: Random Green Matrix Approach

F.A. Pinheiro a , M. Rusek b , A. Orłowski b and B.A. van Tiggelen a a CNRS/Laboratoire de Physique et Modelisation des Milieux Condenses Universite Joseph Fourier, Maison des Magisteres B.P. 166 38042 Grenoble Cedex 9, France b Instytut Fizyki, Polska Akademia Nauk, al. Lotników 32/46, 02-668 Warszawa, Poland

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Received: November 5, 2003; revised version January 20, 2004

We studied the spectral properties of the matrices describing multiple scattering of electromagnetic waves from randomly distributed point-like magneto-optically active scatterers under an external magnetic field B. We showed that the complex eigenvalues of these matrices exhibit some universal properties such as the self-averaging behavior of their real parts, as in the case of scatterers without magneto-optical activity. However, the presence of magneto-optically active scatterers is responsible for a striking particularity in the spectra of these matrices: the splitting of the values of the imaginary part of their eigenvalues. This splitting is proportional to the strength of the magnetic field and can be interpreted as a consequence of the Zeeman splitting of the energy levels of a single scatterer.

PACS numbers: 42.25.Dd, 78.20.Ls