Role of the tuning parameter at magnetic quantum phase transitions

• Applicants: Professor Dr. Hilbert von Löhneysen, since 2/2015; Privatdozent Dr. Oliver Stockert
• Subject Area: Experimental Condensed Matter Physics
• Term: from 2007 to 2017
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 48554140

Final Report Abstract

No abstract available

Publications

• Magnetic fluctuations at a field-induced quantum phase transition, Phys. Rev. Lett. 99, 237203 (2007)
  O. Stockert, M. Enderle, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevLett.99.237203)
• Signature of quantum criticality in photoemission spectroscopy, Phys. Rev. Lett. 101, 266404 (2008)
  M. Klein, A. Nuber, R. Reinert, J. Kroha, O. Stockert, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevLett.101.266404)
• Echo of the quantum phase transition of CeCu6-xAux in XPS: Breakdown of Kondo screening, Phys. Rev B 79, 075111 (2009)
  M. Klein, J. Kroha, H. v. Löhneysen, O. Stockert, and F. Reinert
  (See online at https://doi.org/10.1103/PhysRevB.79.075111)
• Magnetic phase diagram of CeAu2Ge2: High magnetic anisotropy due to crystal electric field, Phys. Rev. B 84, 104446 (2011)
  V. Fritsch, P. Pfundstein, P. Schweiss, E. Kampert, B. Pilawa, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevB.84.104446)
• Low-temperature properties of CeAu2Ge2 single crystals grown from Au-Ge and Sn flux, Phys. Rev. B 86, 214401 (2012)
  C. L. Huang, V. Fritsch, W. Kittler, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevB.86.214401)
• Evolution of the magnetic structure in CeCu5.5Au0.5 under pressure towards quantum criticality, Phys. Rev. Lett. 110, 096404 (2013)
  A. Hamann, O. Stockert, V. Fritsch, K. Grube, A. Schneidewind, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevLett.110.096404)
• Magnetization and specific heat of CePd1-xNixAl, phys. stat. sol. (b) 250, 506 (2013)
  V. Fritsch, C.-L. Huang, N. Bagrets, K. Grube, S. Schumann, and H. v. Löhneysen
  (See online at https://doi.org/10.1002/pssb.201200931)
• Suppression of ferromagnetism of CeTiGe3 by V substitution, Phys. Rev. B 88, 165123 (2013)
  W. Kittler, V. Fritsch, F. Weber, G. Fischer, D. Lamago, G. André, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevB.88.165123)
• Approaching quantum criticality in a partially geometrically frustrated heavy-fermion metal, Phys. Rev. B 89, 054416 (2014)
  V. Fritsch, N. Bagrets, G. Goll, W. Kittler, M. J. Wolf, K. Grube, C.-L. Huang, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevB.89.054416)
• Low-temperature magnetic, thermodynamic, and transport properties of antiferromagnetic CeAuSn single crystals, Phys. Rev. B 91, 144413 (2015)
  C. L. Huang, V. Fritsch, B. Pilawa, C. C. Yang, M. Merz, and H. v. Löhneysen
  (See online at https://doi.org/10.1103/PhysRevB.91.144413)