Affiliation: | 1.Prokhorov General Physics Institute,Russian Academy of Sciences,Moscow,Russia;2.Lebedev Physical Institute,Russian Academy of Sciences,Moscow,Russia;3.Faculty of Physics,Southern Federal University,Rostov-on-Don,Russia;4.1. Physikalisches Institut,Universit?t Stuttgart,Stuttgart,Germany;5.Institute of Solid State Physics,Chinese Academy of Sciences,Hefei,China |