%0 Journal Article %T Extreme field physics and QED %A Heinzl %A Thomas %A Ilderton %A Anton %J High Energy Physics - Phenomenology %D 2008 %I %X We give a brief overview of the most important QED effects that can be studied in the presence of extreme fields such as those expected at the Vulcan laser upgraded to a power of 10 Petawatts. %U http://arxiv.org/abs/0809.3348