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Universal properties of modulated antiferromagnetic systems
C. D. Batista, G. Ortiz, A. V. Balatsky
Magnetism and superconductivity are physical phenomena whose foundations are rooted in quantum mechanics and whose technological applications do not cease to surprise us. In this a…
Electronic Mechanism for the Coexistence of Ferroelectricity and Ferromagnetism
C. D. Batista, J. E. Gubernatis, Wei-Guo Yin
We study the strong coupling limit of a two-band Hubbard Hamiltonian that also includes an inter-orbital on-site repulsive interaction . When the two bands have opposite pa…
Gamma5 quasiparticles and avoided quantum criticality in U(Ru,Rh)2Si2
N. Harrison, A. V. Silhanek, C. D. Batista +4
We discuss recent specific heat data in high magnetic fields on URu2Si2 and 4% Rh-doped URu2Si2 as well as previously published de Haas-van Alphen data at lower magnetic fields in…
Bose-Einstein Condensation of S = 1 Ni spin degrees of freedom in NiCl2-4SC(NH2)2
V. S. Zapf, D. Zocco, M. Jaime +4
It has recently been suggested that the organic compound NiCl-4SC(NH) (DTN) exhibits Bose-Einstein Condensation (BEC) of the Ni spin degrees of freedom for fields appli…
Anisotropic intermediate valence in Yb2M3Ga9 (M = Rh, Ir)
A. D. Christianson, J. M. Lawrence, A. M. Lobos +10
The intermediate valence compounds Yb2M3Ga9 (M = Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation n…
Crystal-field effects in the mixed-valence compounds Yb2M3Ga9 (M= Rh, Ir)
N. O. Moreno, A. Lobos, A. A. Aligia +8
Magnetic susceptibility, heat capacity, and electrical resistivity measurements have been carried out on single crystals of the intermediate valence compounds Yb2Rh3Ga9 and Yb2Ir3G…