Weihnachtsfeier of the Condensed Matter Theory Groups on Tue 20.12.2005 at 3 in Phy 4.1.13. Cup of punch, Christmas cookies and ... To our friends and colleagues outside Regensburg we wish a Merry Christmas and Happy New Year.

The picture: "A quantum Christmas tree
Conductance profiles of sliding telescopic chains as a function of injection energy and chain distance. (By Dana Darau)