| Authors: |
Petocchi F; Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland., Nicholson CW; Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland.; Fritz-Haber-Institute der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany., Salzmann B; Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland., Pasquier D; Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland., Yazyev OV; Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland., Monney C; Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland., Werner P; Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland. |