Relative difference between vertical and radial relaxation timescales, (tz−tr) /tz. Each panel corresponds to a single wavelength λz = λr as labelled. The box on the top right sets the colour scale for the two top panels, for the two bottom panels the colour scale is inside each.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.