Search Results - "KOCHARIAN, A. N"

The manifestation of one-dimensional noncollinear spin-dependent scattering on magnetized nano-element structures by Sahakyan, A. S., Movsesyan, R. M., Kocharian, A. N.

“…The scattering of spin-polarized electron and neutron waves on a magnetized magnetic potential (rectangular) barrier is studied in magnetic (nano-element)…”
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Phase separation instabilities and magnetism in two dimensional square and honeycomb Hubbard model by Kocharian, A.N., Fang, Kun, Fernando, G.W., Balatsky, A.V.

“…The variational cluster approximation is applied to rigorously calculate intrinsic local electron correlations in bipartite square and honeycomb Hubbard…”
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Tracing magnetism and pairing in FeTe-based systems by Palandage, K., Fernando, G. W., Fang, Kun, Kocharian, A. N.

“…Magnetism in the Fe-chalcogenide FeTe, under various modulations, provides important clues with regard to possible precursors to superconductivity. In this…”
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Synthesis and Structure of Fe-Fe3O4 Nanoparticles with “Core-Shell” Architecture Capsulated in a Graphite-Like Carbon Matrix by Gyulasaryan, A. T., Castillo, K. A., Bernal, O. O., Kocharian, A. N., Sisakyan, N., Chilingaryan, G. K., Veligzhanin, A. A., Gray, J. L., Sharoyan, E. G., Manukyan, A. S.

“…Nanoparticles of iron (α-Fe) and iron oxide (Fe 3 O 4 ) with a core-shell structure (α-Fe core, Fe 3 O 4 shell) covered with additional graphite-like carbon…”
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On scattering of the spin-non-polarized wave on the two-barrier noncomplanar system by Poghosyan, A. V., Sahakyan, A. S., Movsesyan, R. M., Kocharian, A. N.

“…The scattering of a spin-non-polarized wave on a structure the potential profile of which contains two identical barriers with the noncomplanar internal…”
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Photonic density and nonreciprocal optical properties in chiral liquid crystals by Gevorgyan, A.H., Kocharian, A.N.

“…Nonreciprocal optical properties of anisotropic (nano-film) heterostructures made of a cholesteric and nematic liquid crystal (CLC-NLC) layers are studied…”
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Phase transitions and entanglement properties in spin-1 Heisenberg clusters with single-ion anisotropy by Abgaryan, V S, Ananikian, N S, Ananikyan, L N, Kocharian, A N

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Spin-polarizing properties of heterostructures with magnetic nano elements by Kocharian, A.N., Sahakyan, A.S., Movsesyan, R.M.

“…The problem of electron resonant and non-resonant scatterings on two magnetized barriers is studied in the one-dimension. The transfer-matrix is built up to…”
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FMR and EPR in Ni@C nanocomposites: Size and concentration effects by Sharoyan, E. G., Mirzakhanyan, A. A., Gyulasaryan, H. T., Kocharian, A. N., Manukyan, A. S.

“…One-domain Ni@C nanoparticles encapsulated in carbon coating have been investigated depending on the size and concentration of Ni in carbon. The nanoparticles…”
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Circular dichroism and absorption in a finite cholesteric liquid crystal layer with an isotropic defect layer inside by Gevorgyan, A.H., Kocharian, A.N., Vardanyan, G.A.

“…Circular dichroism and absorption are calculated for one-dimensional chiral soft substance (a cholesteric liquid crystal, CLC) cells with an isotropic defect…”
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Exact quantum critical points and phase separation instabilities in Betts Hubbard nanoclusters by Kocharian, A.N., Fang, Kun, Fernando, G.W.

“…Spontaneous phase separation instabilities with the formation of various types of charge and spin pairing (pseudo)gaps in U>0 Hubbard model including the next…”
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Phase diagram and BCS–Bose condensation crossover in 1D and 2D Hubbard models by Kocharian, A.N., Yang, C., Chiang, Y.L.

“…The ground-state energy, the concentration of double occupied sites and the density of bound electron pairs in low-dimensional attractive Hubbard model are…”
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Induced magnetization and inhomogeneous superconductivity in presence of external magnetic field by Yang, C., Kocharian, A.N., Chiang, Y.L.

“…Thermodynamic characteristics of the one-dimensional attractive Hubbard model are calculated by means of the generalized self-consistent field (GSCF) approach…”
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Spin–charge separation and electron pairing instabilities in Hubbard nanoclusters by Kocharian, A.N., Fernando, G.W., Palandage, K., Davenport, J.W.

“…Electron charge and spin pairing instabilities in various cluster geometries for attractive and repulsive electrons are studied exactly under variation of…”
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Orbital magnetism and valence instabilities in narrow bands by Kocharian, A.N., Reich, G.R.

“…Spatial electron ordering and uniform mixed-valence behavior, experimentally observed in many transition and rare-earth metals and compounds with narrow d and…”
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The phase diagram and inhomogenous superconductivity in the one-dimensional attractive Hubbard model by Kocharian, A.N., Yang, C., Chiang, Y.L.

“…The thermodynamic phase diagram of the attractive Hubbard model in the presence of magnetic field is calculated in wide range of temperature, electron…”
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Exact magnetic ground-state properties of the one-dimensional Hubbard model by Yang, C, Kocharian, A.N, Chiang, Y.L

“…The exact solution of the one-dimensional Hubbard model, both attractive and repulsive, is investigated in dependence of electron concentration n over a wide…”
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High-temperature superconductivity in the generalized negative U Hubbard model by Kocharian, A.N., Yang, C.

“…A new mechanism of superconductivity in high-temperature superconducting oxides (HTSCs) with partially occupied electrons in the p and d orbitals is proposed…”
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Finite-size effects and unsaturated ferromagnetism of two-component Hubbard rings in a strong magnetic field: Exact results by Kocharian, AN, Sebold, JH

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Possible phase separation in square and honeycomb Hubbard model: A variational cluster study by Fang, Kun, Fernando, G.W., Balatsky, A.V., Kocharian, A.N.

“…The VCA ground state of the 2D Hubbard model is examined for possible phase separation under hole doping manifested by spatial inhomogeneities of coexisting…”
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