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pro vyhledávání: '"Kokorina, E. E."'
Akademický článek
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Autor:
Spitaler, J., Shneyder, E. I., Kokorina, E. E., Nekrasov, I. A., Gavrichkov, V. A., Ambrosch-Draxl, C., Ovchinnikov, S. G.
We present ab initio results for the electron-phonon interaction of the \Gamma-point phonons in the tetragonal high-temperature phase of La2CuO4. Eigenfrequencies and eigenvectors for the symmetry-allowed phonon modes are calculated with the full-pot
Externí odkaz:
http://arxiv.org/abs/1310.6872
Autor:
Nekrasov, I. A., Kokorina, E. E., Galkin, V. A., Kuz'min, Y. I., Knyazev, Y. V., Kuchin, A. G.
Publikováno v:
Physica B-Condensed Matter, 407 3600 (2012)
In this paper we present theoretical investigation of optical conductivity for intermetallic TbNi_{5-x}Cu_x series. In the frame of LSDA+U calculations electronic structure for x=0,1,2 and on top of that optical conductivities were calculated. Disord
Externí odkaz:
http://arxiv.org/abs/1010.1130
Ab Initio Exchange Interactions and Magnetic Properties of Intermetallic Compound Gd(2)Fe(17-x)Ga(x)
Publikováno v:
Solid State Phenomena Vols. 168-169 (2011) pp 196-199
Intermetallic compounds R2Fe17 are perspective for applications as permanent magnets. Technologically these systems must have Curie temperature Tc much higher than room temperature and preferably have easy axis anisotropy. At the moment highest Tc am
Externí odkaz:
http://arxiv.org/abs/1006.0591
Autor:
Nekrasov, I. A., Kokorina, E. E., Kuchinskii, E. Z., Sadovskii, M. V., Kasai, S., Sekiyama, A., Suga, S.
Publikováno v:
JETP 110, 989-994 (2010)
Slightly underdoped high-Tc system La(1.86)Sr(0.14)CuO(4) (LSCO) is studied by means of high energy high resolution angular resolved photoemission spectroscopy (ARPES) and combined computational scheme LDA+DMFT+Sk. Corresponding one band Hubbard mode
Externí odkaz:
http://arxiv.org/abs/0911.1196
Publikováno v:
Phys. Rev. B 80, 104409 (2009)
In the framework of the LSDA+U method electronic structure and magnetic properties of the intermetallic compound Gd2Fe17 for both rhombohedral and hexagonal phases have been calculated. On top of that, ab initio exchange interaction parameters within
Externí odkaz:
http://arxiv.org/abs/0809.3905
Autor:
Kokorina, E. E., Kuchinskii, E. Z., Nekrasov, I. A., Pchelkina, Z. V., Sadovskii, M. V., Sekiyama, A., Suga, S., Tsunekawa, M.
Publikováno v:
JETP, Vol. 107, Iss. 5, p. 828 (2008)
Material specific electronic band structure of the electron-doped high-Tc cuprate Nd(1.85)Ce(0.15)CuO(4) (NCCO) is calculated within the pseudo gap regime, using the recently developed generalized LDA+DMFT+Sigma_k scheme. LDA/DFT (density functional
Externí odkaz:
http://arxiv.org/abs/0804.2732
Publikováno v:
Journal of Physics and Chemistry of Solids 69, 3269 (2008)
Pseudogap regime for the prototype high-Tc compounds hole doped Bi2Sr2CaCu2O8-x (Bi2212) and electron doped Nd2-xCexCuO4 (NCCO) is described by means of novel generalized LDA+DMFT+Sk approach. Here conventional dynamical mean-field theory (DMFT) equa
Externí odkaz:
http://arxiv.org/abs/0708.2313
Autor:
Korshunov, M. M., Gavrichkov, V. A., Ovchinnikov, S. G., Nekrasov, I. A., Kokorina, E. E., Pchelkina, Z. V.
Publikováno v:
J. Phys.: Condens. Matter 19, 486203 (2007)
In the present work we report the band structure calculations for the high temperature superconductor Nd$_{2-x}$Ce$_x$CuO$_4$ in the regime of strong electronic correlations within an LDA+GTB method, which combines the local density approximation (LD
Externí odkaz:
http://arxiv.org/abs/0705.0939
Akademický článek
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