Thomas-Paul Hack Universität Leipzig Papers The extended algebra of observables for Dirac fields and the trace anomaly of their stress-energy tensor Claudio Dappiaggi, Thomas-Paul Hack, Nicola Pinamonti April 03, 2009 Dirac fields, QFT on curved spacetimes, trace anomaly open access link Rev.Math.Phys.21:1241-1312,2009 On the unitary transformation between non-quasifree and quasifree state spaces and its application to quantum field theory on curved spacetimes Hanno Gottschalk, Thomas-Paul Hack October 19, 2006 open access link Pages« first‹ previous123 Slides