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7 papers · 2 filters
Anisotropic Metal-Insulator Transition in Epitaxial Thin Films
I. B. Altfeder, X. Liang, D. M. Chen +1
Quantum wells made of simple polyvalent metals represent a novel family of doped 2D Mott-Hubbard insulators. As scanning tunneling microscopy experiments show, these systems exhibi…
Prediction of the in-Gap States Above the Top of the Valence Band in the Undoped Insulating Cuprates due to Spin-Polaron Effect
S. G. Ovchinnikov, A. A. Borisov, V. A. Gavrichkov +1
In the framework of the generalized tight binding method we have calculated the quasiparticle band structure and the spectral functions of the undoped cuprates like , $…
Anomalous Hall Effect and Magnetic Monopoles in Momentum-Space
Z. Fang, N. Nagaosa, K. S. Takahashi +7
Efforts to find the magnetic monopole in real space have been made in cosmic rays and in accelerators, but up to now there is no firm evidence for its existence due to the very hea…
Ground state order and spin-lattice coupling in tetrahedral spin systems Cu2Te2O5X2
M. Prester, A. Smontara, I. Zivkovic +4
High-resolution ac susceptibility and thermal conductivity measurement on Cu2Te2O5X2(X=Br,Cl) single crystals are reported. For Br-sample, sample dependence prevents to distinguish…
Spin fluctuations influence on quasiparticle spectrum of realistic p-d model
Maxim M. Korshunov, Sergei G. Ovchinnikov, Alexei V. Sherman
In the present work the multiband p-d model for -layer is treated. It was shown that for the realistic set of parameters besides Zhang-Rice two-particle singlet there is non…
Structure, Magnetic Properties and Spin-glass Behavior in La
Guotai Tan, P. Duan, S. Y. Dai +3
In this study we report the structure, magnetic and electrical transport properties of pervoskite oxide La. This is a novel material with the space gro…