B. Thielemann1, Ch. Rüegg2, K. Kiefer3, H. M. Rønnow4, B. Normand5, P. Bouillot6, C. Kollath7, E. Orignac8, R. Citro9, T. Giamarchi6, A. M. Läuchli10, D. Biner11, K. W. Krämer11, F. Wolff-Fabris12, V. S. Zapf12, M. Jaime12, J. Stahn1, N. B. Christensen1,13, B. Grenier14, D. F. McMorrow2, and J. Mesot1,4
- 1Laboratory for Neutron Scattering, ETH Zurich and Paul Scherrer Institute, CH-5232 Villigen, Switzerland
- 2London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
- 3BENSC, Helmholtz Centre Berlin for Materials and Energy, D-14109 Berlin, Germany
- 4Laboratory for Quantum Magnetism, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
- 5Theoretische Physik, ETH–Hönggerberg, CH-8093 Zürich, Switzerland
- 6DPMC-MaNEP, University of Geneva, CH-1211 Geneva, Switzerland
- 7Centre de Physique Théorique, CNRS, Ecole Polytechnique, 91128 Palaiseau Cedex, France
- 8LPENSL, UMR 5672, CNRS, F-69364 Lyon Cedex 07, France
- 9Dipartimento di Fisica “E. R. Caianiello” and CNISM, Università di Salerno, I-84100 Salerno, Italy
- 10Institut Romand de Recherche Numérique en Physique des Matériaux (IRRMA), CH-1015 Lausanne, Switzerland
- 11Department of Chemistry and Biochemistry, University of Bern, CH-3000 Bern 9, Switzerland
- 12MPA-NHMFL, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- 13Risø National Laboratory for Sustainable Energy, Technical University of Denmark, DK-4000 Roskilde, Denmark
- 14INAC/SPSMS/MDN, CEA–Grenoble and Université Joseph Fourier–Grenoble, F-38054 Grenoble, France