A Post doctoral position for the study of exciton dynamics in core, core/shell, and doped nanocrystals, is available for one year in the group of Sanford Ruhman, at the Institute of Chemistry, the Hebrew University of Jerusalem. Work will be based on custom laser systems, including extreme time resolution below 10 fsec. The opening is for one year with the possibility of extension, and preference will be given to candidates with prior experience in any of the fields of expertise directly relevant to the project. Interested candidates who have been granted a PhD in the last 4 years are requested to send a CV with a list of references to the following e-mail : SANDY(A)FH.HUJI.AC.IL.