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15 papers · 2 filters
3:1 magnetization plateau and suppression of ferroelectric polarization in an Ising chain multiferroic
Y. J. Jo, Seongsu Lee, E. S. Choi +6
Ferroelectric Ising chain magnet CaCoMnO (0.96) was studied in magnetic fields up to 33 T. Magnetization and neutron scattering measurements reveal suc…
Direct determination of the crystal field parameters of Dy, Er and Yb impurities in the skutterudite compound CeFeP by Electron Spin Resonance
D. J. Garcia, F. A. Garcia, J. G. S. Duque +5
Despite extensive research on the skutterudites for the last decade, their electric crystalline field ground state is still a matter of controversy. We show that Electron Spin Reso…
Critical behavior at Mott-Anderson transition: a TMT-DMFT perspective
M. C. O. Aguiar, V. Dobrosavljevic, E. Abrahams +1
We present a detailed analysis of the critical behavior close to the Mott-Anderson transition. Our findings are based on a combination of numerical and analytical results obtained…
Valence-bond theory of highly disordered quantum antiferromagnets
S. Zhou, J. A. Hoyos, V. Dobrosavljevic +1
We present a large-N variational approach to describe the magnetism of insulating doped semiconductors based on a disorder-generalization of the resonating-valence-bond theory for…
Coulomb Correlations and the Wigner-Mott Transition
A. Camjayi, K. Haule, V. Dobrosavljevic +1
Strong correlation effects, such as a dramatic increase in the effective mass of the carriers of electricity, recently observed in the low density electron gas have provided specta…
Electronic Griffiths phase of the d=2 Mott transition
E. C. Andrade, E. Miranda, V. Dobrosavljevic
We investigate the effects of disorder within the T=0 Brinkman-Rice (BR) scenario for the Mott metal-insulator transition (MIT) in two dimensions (2d). For sufficiently weak disord…