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Eilers, J. J.; Biner, D.; van Wijngaarden, J. T.; Krämer, K.; Güdel, H.-U.; Meijerink, A. (2010). Efficient visible to infrared quantum cutting through downconversion with the Er3+–Yb3+ couple in Cs3Y2Br9. Applied physics letters, 96(15), 151106/1-151106/3. Melville, N.Y.: American Institute of Physics 10.1063/1.3377909
Thielemann, B.; Rüegg, Ch.; Rønnow, H. M.; Läuchli, A. M.; Caux, J.-S.; Normand, B.; Biner, D.; Krämer, K. W.; Güdel, H.-U.; Stahn, J.; Habicht, K.; Kiefer, K.; Boehm, M.; McMorrow, D. F.; Mesot, J. (2009). Direct Observation of Magnon Fractionalization in the Quantum Spin Ladder. Physical review letters, 102(10), p. 107204. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.102.107204
