P. S. Häfliger, S. T. Ochsenbein, B. Trusch, H.-U. Güdel and A. Furrer
Spin dynamics in the manganese tetramer compound a-MnMoO₄
J. Phys.: Condens. Matter 21, 026019/1-7 (2009)      Abstract                 

B. Thielemann, Ch. Rüegg, H. M. Rønnow, A. M. Läuchli, J.-S. Caux, B. Normand, D. Biner, K. W. Krämer, H.-U. Güdel, J. Stahn, K. Habicht, K. Kiefer, M. Boehm, D. F. McMorrow and J. Mesot
Direct Observation of Magnon Fractionalization in the Quantum Spin Ladder
Phys. Rev. Lett. 102, 107204/1-5 (2009)      Abstract                 

O. Waldmann, T. C. Stamatatos, G. Christou, H. U. Güdel, I. Sheikin and H. Mutka
Quantum Phase Interference and Néel-Vector Tunneling in Antiferromagnetic Molecular Wheels
Phys. Rev. Lett. 102, 157202/1-4 (2009)      Abstract                 

R. Valiente, F. Rodríguez, J. González, H. U. Güdel, R. Martín-Rodríguez, L. Nataf, M. N. Sanz-Ortiz and K. Krämer
High pressure optical spectroscopy of Ce³⁺-doped Cs₂NaLuCl₆
Chem. Phys. Lett. 481, 149-151 (2009)      Abstract                 

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