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11 papers · 1 filter
Stationary Precession Topological Solitons with Nonzero Hopf Invariant in a Uniaxial Ferromagnet
A. B. Borisov, F. N. Rybakov
Three-dimensional stationary precession solitons with nonzero Hopf indices are found numerically by solving the Landau-Lifshitz equation. The structure and existence domain of the…
A model for the phase separation controlled by doping and the internal chemical pressure in different cuprate superconductors
K. I. Kugel, A. L. Rakhmanov, A. O. Sboychakov +2
In the framework of a two-band model, we study the phase separation regime of different kinds of strongly correlated charge carriers as a function of the energy splitting between t…
Momentum-resolved spectral functions of SrVO calculated by LDA+DMFT
I. A. Nekrasov, K. Held, G. Keller +6
LDA+DMFT, the merger of density functional theory in the local density approximation and dynamical mean-field theory, has been mostly employed to calculate k-integrated spectra acc…
Single-ion anisotropy in the gadolinium pyrochlores studied by an electron paramagnetic resonance
V. N. Glazkov, M. E. Zhitomirsky, A. I. Smirnov +4
The electron paramagnetic resonance is used to measure the single-ion anisotropy of Gd3+ ions in the pyrochlore structure of (Y{1-x}Gdx)2Ti2O7. A rather strong easy-plane type anis…
Crystallization in two-component Coulomb systems
M. Bonitz, V. S. Filinov, V. E. Fortov +2
The analysis of Coulomb crystallization is extended from one-component to two-component plasmas. Critical parameters for the existence of Coulomb crystals are derived for both clas…
A new hybrid LDA and Generalized Tight-Binding method for the electronic structure calculations of strongly correlated electron systems
V. A. Gavrichkov, M. M. Korshunov, S. G. Ovchinnikov +3
A novel hybrid scheme is proposed. The {\it ab initio} LDA calculation is used to construct the Wannier functions and obtain single electron and Coulomb parameters of the multiband…