Attosecond physics at a nanoscale metal tip Michael Krüger, Markus Schenk, Michael Förster, Sebastian Thomas, Georg Wachter, Christoph Lemell, Joachim Burgdörfer and Peter Hommelhoff EPJ Web of Conferences, 41 (2013) 01005 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134101005