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Gorenko, L. M.
Electromagnetic-waves with discrete spectrum in ferromagnets with taking into account of spin of conductive electrons / L. M. Gorenko, Yu. I. Mankov // Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 1. - P. 287-289. - Cited References: 7 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Mankov, Yu. I.
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Baksheev, N. V.
Spin reorientation effect of conductive electrons in iron matrix doped with cobalt / N. V. Baksheev, E. S. Mushailov // Fiz. Tverd. Tela. - 1981. - Vol. 23, Is. 2. - P. 631-633. - Cited References: 9 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Mushailov, E. S.
}
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SANDALOV, I. S.
EFFECT OF MIXING THE STATES OF CONDUCTIVITY ELECTRONS AND IMPURITY D(F) IONS ON ELECTRIC-CONDUCTIVITY / I. S. SANDALOV, M. S. YERUKHIMOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1982. - Vol. 82, Is. 1. - P. 246-253. - Cited References: 17 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
YERUKHIMOV, M. S.
}
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Berman, G. P.
A non-linear resonance in a system of surface-state electrons bound to the helium surface / G. P. Berman, A. R. Kolovsky, G. M. Zaslavsky // Phys. Lett. A. - 1984. - Vol. 105, Is. 9. - P. 483-486, DOI 10.1016/0375-9601(84)91042-9. - Cited References: 24 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary

WOS,
Scopus
Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Zaslavsky, G. M.; Заславский, Георгий Моисеевич; Берман, Геннадий Петрович
}
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ZAKHAROV, Y. V.
THE ENERGY-SPECTRUM OF CONDUCTION ELECTRONS IN A FERROMAGNET WITH DOMAIN-STRUCTURE / Y. V. ZAKHAROV, L. S. TITOV // Solid State Commun. - 1985. - Vol. 53, Is. 5. - P. 447-450, DOI 10.1016/0038-1098(85)91054-3. - Cited References: 8 . - ISSN 0038-1098

РУБ Physics, Condensed Matter

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Scopus
Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
Доп.точки доступа:
TITOV, L. S.
}
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Berman, G. P.
Nonlinear resonance and stochasticity in a system of surface electrons / G. P. Berman, G. M. Zaslavsky, A. R. Kolovsky // Zhurnal Eksperimentalnoi Teor. Fiz. - 1985. - Vol. 88, Is. 5. - P. 1551-1559. - Cited References: 25 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Zaslavsky, G. M.; Заславский, Георгий Моисеевич; Kolovsky, A. R.; Коловский, Андрей Радиевич; Берман, Геннадий Петрович
}
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SANDALOV, I. S.
THE AMPLIFICATION OF THE KONDO EFFECT IN NORMAL METALS BY A MAGNETIC-FIELD / I. S. SANDALOV, A. N. PODMARKOV // JOURNAL OF PHYSICS F-METAL PHYSICS. - 1986. - Vol. 16, Is. 12. - P. 2153-2166, DOI 10.1088/0305-4608/16/12/023. - Cited References: 17 . - ISSN 0305-4608

РУБ Physics, Applied + Physics, Multidisciplinary

Кл.слова (ненормированные):
ELECTRONS - Scattering -- CONDUCTION ELECTRON -- KONDO EFFECT -- METALS AND ALLOYS

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Держатели документа:
LV Kirensky Inst. of Phys., Acad. of Sci., Krasnoyarsk, Russian Federation

Доп.точки доступа:
PODMARKOV, A. N.; Сандалов, Игорь Семёнович
}
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OVCHINNIKOV, S. G.
SPECTRUM OF ELECTRONS IN AN ANTIFERROMAGNETIC SEMICONDUCTOR / S. G. OVCHINNIKOV // JOURNAL OF PHYSICS C-SOLID STATE PHYSICS. - 1987. - Vol. 20, Is. 7. - P. 933-940, DOI 10.1088/0022-3719/20/7/008. - Cited References: 19 . - ISSN 0022-3719

РУБ Physics, Condensed Matter

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Scopus
Держатели документа:
Kirensky Inst of Physics, Krasnoyarsk, USSR, Kirensky Inst of Physics, Krasnoyarsk, USSR
ИФ СО РАН
Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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Ovchinnikov, S. G.
The band-structure of strong-correlated electrons in LA2-XSRXCUO4 and YBA2CU3O7-Y / S. G. Ovchinnikov, I. S. Sandalov // Physica C. - 1989. - Vol. 161, Is. 5-6. - P. 607-617, DOI 10.1016/0921-4534(89)90397-3. - Cited References: 20 . - ISSN 0921-4534

РУБ Physics, Applied

WOS
Доп.точки доступа:
Sandalov, I. S.; Сандалов, Игорь Семёнович; Овчинников, Сергей Геннадьевич
}
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10.

KOLOVSKII, A. R.
QUASIENERGY FUNCTIONS OF ELECTRONS IN A SEMICONDUCTOR AFFECTED BY AN EXTERNAL ELECTROMAGNETIC-FIELD / A. R. KOLOVSKII // Phys. Lett. A. - 1990. - Vol. 143, Is. 3. - P. 129-133, DOI 10.1016/0375-9601(90)90663-9. - Cited References: 11 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary

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Scopus
Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
}
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11.

SANDALOV, I. S.
FLUX PHASE, NEEL ANTIFERROMAGNETISM, AND SUPERCONDUCTIVITY IN THE T-J MODEL / I. S. SANDALOV, M. . RICHTER // Phys. Rev. B. - 1994. - Vol. 50, Is. 17. - P. 12855-12865, DOI 10.1103/PhysRevB.50.12855. - Cited References: 27 . - ISSN 0163-1829

РУБ Physics, Condensed Matter
Рубрики:
HUBBARD-MODEL
INSTABILITY
ELECTRONS

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Держатели документа:
RAS,KIRENSKY INST PHYS,KRASNOYARSK 660036,RUSSIA
ИФ СО РАН
Department of Physics, Uppsala University, Box 530, S-75121 Uppsala, Sweden
Kirensky Institute of Physics of RAS, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
RICHTER, M.; Сандалов, Игорь Семёнович
}
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12.

OVCHINNIKOV, S. G.
THE INFLUENCE OF THE ANTIFERROMAGNETISM ON THE ELECTRONIC-STRUCTURE OF LA2CUO4 / S. . OVCHINNIKOV // J. Supercond. - 1995. - Vol. 8: University-of-Miami Workshop on High-Temperature Superconductivity - Physical Properties and Mechanisms (JAN 05-11, 1995, CORAL GABLES, FL), Is. 5. - P. 675-676, DOI 10.1007/BF00727473. - Cited References: 15 . - ISSN 0896-1107

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
OXIDES
MODEL
Кл.слова (ненормированные):
ELECTRON CORRELATIONS -- ELECTRON STRUCTURE -- SPIN FLUCTUATIONS -- Electron correlations -- electron structure -- spin fluctuations -- Antiferromagnetism -- Band structure -- Calculations -- Correlation theory -- Electrons -- Lanthanum compounds -- Paramagnetism -- Perturbation techniques -- Antiferromagnetic phase -- Electron correlations -- Intercluster interactions -- Spin fluctuations -- Electronic structure
Аннотация: The quasiparticle approach for electronic structure calculations considering strong electron correlations is given. The exact diagonalization of a multiband Hubbard Hamiltonian for a small cluster is combined with perturbation theory for intercluster hopping. The band structure of paramagnetic and antiferromagnetic La2CuO4 are discussed.

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Держатели документа:
L.V.Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
}
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13.

Study of electroconductivity in cobalt nanocrystalline films / G. I. Frolov [и др.] // Fiz. Tverd. Tela. - 1996. - Vol. 38, Is. 4. - P. 1208-1213. - Cited References: 13 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
METAL-FILMS
   RESISTIVITY
   CONDUCTION
   ELECTRONS
   DENSITY

WOS

Доп.точки доступа:
Frolov, G. I.; Zhigalov, V. S.; Polskii, A. I.; Pozdnyakov, V. G.
}
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14.

Sandalov, I. S.
Local gauge invariance versus slave boson-like representations in systems with strongly correlated electrons / I. S. Sandalov, M. . Richter // Phys. Scr. - 1996. - Vol. 54, Is. 4. - P. 410-416, DOI 10.1088/0031-8949/54/4/020. - Cited References: 38 . - ISSN 0281-1847

РУБ Physics, Multidisciplinary
Рубрики:
T-J MODEL
   VALENCE-BOND STATE
   DIAGRAM TECHNIQUE
   ANDERSON MODEL
   HUBBARD MODEL
   SUPERCONDUCTIVITY
   LIMIT
   PHASE
Аннотация: The flux phase solutions in the t-J model the gauge theories with Chern-Simons term, promising new exciting physics, are so far obtained only within slave-boson (or fermion) approaches, where local gauge invariance is not taken into account exactly. We inspect the possibility to do this, mainly, in the example of the t-J model The analysis of different parametrizations in the functional representation shows that (i) calculations which take into account constraints for the number of on-site-available states are describing quasiparticles in terms of the wrong local statistics, and contain gauge non-invariant objects; (ii) application of the projection technique in the slave-boson(fermion) representation reproduces the correct statistics, and is exactly equivalent to the conventional diagram technique for Hubbard operators. In the language of slave bosons this means that the Fourier transformation leading to Bloch states should be made only after accounting constraints in the measure of functional integral.

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Держатели документа:
UNIV UPPSALA,DEPT PHYS,CONDENSED MATTER THEORY GRP,S-75121 UPPSALA,SWEDEN
RUSSIAN ACAD SCI,LV KIRENSKY PHYS INST,KRASNOYARSK 660036,RUSSIA
DRESDEN UNIV TECHNOL,DEPT PHYS,MPG RES GRP ELECTRON SYST,D-01062 DRESDEN,GERMANY
ИФ СО РАН

Доп.точки доступа:
Richter, M.; Сандалов, Игорь Семёнович
}
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15.

Wigner function description of ac transport through a two-dimensional quantum point contact / I. E. Aronov [et al.] // J. Phys.: Condens. Matter. - 1997. - Vol. 9, Is. 24. - P. 5089-5103, DOI 10.1088/0953-8984/9/24/009. - Cited References: 45 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
QUANTIZED CONDUCTANCE
   BALLISTIC-RESISTANCE
   CONSTRICTION
   CAPACITANCE
   ADMITTANCE
   ELECTRONS
   SYSTEMS
   FIELD
   PUMP
Аннотация: We have calculated the admittance of a two-dimensional quantum point contact (QPC) using a novel variant of the Wigner distribution function (WDF) formalism. In the semiclassical approximation, a Boltzmann-like equation is derived for the partial WDF describing both propagating and non-propagating electron modes in an effective potential generated by the adiabatic QPC. We show that this quantum kinetic approach leads to the well known stepwise behaviour of the real part of the admittance (the conductance), and of the imaginary part of the admittance (the emittance), in agreement with the latest results derived by Christen and Buttiker, which is determined by the number of propagating electron modes. It is shown that the emittance is sensitive to the geometry of the QPC, and can be controlled by the gate voltage. We have established that the emittance has contributions corresponding to both quantum inductance and quantum capacitance. Stepwise oscillations in the quantum inductance are determined by the harmonic mean of the velocities for the propagating modes, whereas the quantum capacitance is a significant mesoscopic manifestation of the nonpropagating (reflecting) modes.

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Держатели документа:
LOS ALAMOS NATL LAB,CNLS,LOS ALAMOS,NM 87545
UKRAINIAN ACAD SCI,INST RADIOPHYS & ELECT,UA-310085 KHARKOV,UKRAINE
LV KIRENSKII INST PHYS,KRASNOYARSK 660036,RUSSIA
UNIV ILLINOIS,DEPT PHYS,URBANA,IL 61801
ИФ СО РАН
Theoretical Division, CNLS, Los Alamos National Laboratory, Los Alamos, NM 87545, United States
Inst. Radiophysics and Electronics, Natl. Academy of Sciences of Ukraine, 12 Acad Proskura Street, 310085, Kharkov, Ukraine
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Department of Physics, Univ. Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, IL 61801-3080, United States

Доп.точки доступа:
Aronov, I. E.; Berman, G. P.; Campbell, D. K.; Dudiy, S. V.
}
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16.

Gluck, M.
Bloch particle in the presence of dc and ac fields / M. . Gluck, A. R. Kolovsky, H. J. Korsch // Phys. Lett. A. - 1998. - Vol. 249, Is. 5-6. - P. 483-488, DOI 10.1016/S0375-9601(98)00763-4. - Cited References: 21 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
DYNAMIC LOCALIZATION
ELECTRONS
ATOMS
Кл.слова (ненормированные):
Wannier-Bloch states -- quantum chaos
Аннотация: In this Letter we study the metastable states of a Bloch particle in the presence of external ac and de fields. For the resonance condition between the period of the driving frequency and the Bloch period, the complex quasi-energies are numerically calculated for two qualitatively different regimes (quasi-regular and chaotic) of the system dynamics. For the chaotic regime an effect of quantum stabilization, which suppresses the classical decay mechanism, is found. This effect is demonstrated to be a kind of quantum phenomenon sensitive to the resonance condition. (C) 1998 Elsevier Science B.V.

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Держатели документа:
Univ Kaiserslautern, Fachbereich Phys, D-67653 Kaiserslautern, Germany
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Fachbereich Physik, Universitat Kaiserslautern, D-67653 Kaiserslautern, Germany
L.V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Korsch, H. J.
}
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17.

Are there two types of f-electrons in Pr-metal? / U. . Lundin [et al.] // Physica B. - 1999. - Vol. 259-61. - P. 231-232, DOI 10.1016/S0921-4526(98)00790-X. - Cited References: 1 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:

Кл.слова (ненормированные):
band calculations -- Hubbard model -- f-electrons
Аннотация: We show that in order to properly describe the bonding properties of strongly correlated systems, here demonstrated for praseodymium metal, it is necessary to split the f-electron system into two parts. Using perturbation theory from the atomic limit we show that LDA-based calculations with f-electrons in the core can be considered as the limit of an infinite Hubbard U. Then, the correction to the total energy proportional to 1/U makes the upper f(2)-->f(3) intra-atomic transitions (IT) important. Mixing interaction and f-f-hopping delocalize these IT and some of them become populated. These IT give an additional contribution to the cohesive energy. This gain in energy is the reason for the separation of the f-electron system into localized (with reduced spectral weight) and delocalized ones. (C) 1999 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Univ Uppsala, Dept Phys, Condensed Matter Theory Grp, S-75121 Uppsala, Sweden
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Condensed Matter Theory Group, Department of Physics, University of Uppsala, P.O. Box 530, 751 21 Uppsala, Sweden
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Lundin, U.; Sandalov, I.; Eriksson, O.; Johansson, B.; International Conference on Strongly Correlated Electron Systems(1998 ; JUL 15-18 ; Paris, France)
}
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18.

Man'kov, Y. I.
Effect of conduction electrons on the law of approach to saturation of a metallic ferromagnet with surface pinning of the magnetic moment / Y. I. Man'kov // Phys. Solid State. - 1999. - Vol. 41, Is. 4. - P. 582-588, DOI 10.1134/1.1130829. - Cited References: 37 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
ANISOTROPY
Аннотация: The effect of conduction electrons on the magnetization curve of a metallic ferromagnet with surface pinning of the magnetic moment is investigated theoretically. The electronic contribution is due to the rearrangement of the discrete spectrum of charge carriers trapped by the nonuniform magnetic induction of such a ferromagnet, and it is a kind of diamagnetic effect that appreciably decreases the volume-averaged magnetization of the ferromagnet. A power-law dependence H-3/4 on the external magnetic field H is obtained according to the law of magnetization approach to saturation. This dependence is due to the contribution of the conduction electrons. (C) 1999 American Institute of Physics. [S1063-7834(99)01804-3].

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
}
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19.

    Kuz'min, E. V.
    Superconductivity of strongly correlated electrons in copper and ruthenium oxides within the t-J-I model / E. V. Kuz'min, S. G. Ovchinnikov, I. O. Baklanov // J. Exp. Theor. Phys. - 1999. - Vol. 89, Is. 2. - P. 349-357, DOI 10.1134/1.558991. - Cited References: 12 . - ISSN 1063-7761
   Перевод заглавия: Сверхпроводимость сильно коррелированных электронов оксидов меди и рутения в рамках t-J-I модели

РУБ Physics, Multidisciplinary
Рубрики:
LAYERED PEROVSKITE
SR2RUO4
Аннотация: We propose a t-J-I model with direct ferromagnetic exchange I to explain the superconductivity of copper oxides and the ruthenate Sr2RuO4 on the basis of the analysis of the electronic structure of these substances. We analyze the possible p- and d-type superconducting solutions. Solutions of the s type with singlet pairings are impossible in the strong-electron-correlations regime, and p-type solutions correspond to triplet superconductivity and is formed near the ferromagnetic instability threshold in ruthenates. The solution with the d(x)(2)-y(2) symmetry near the antiferromagnetic instability threshold corresponds to copper oxides. We also discuss the reason for the high values of the superconducting transition temperature (T(c)similar to 100 K) in copper oxides and the low values (T(c)similar to 1 K) in ruthenates. (C) 1999 American Institute of Physics. [S1063- 7761(99)02208-8].

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Публикация на русском языке Сверхпроводимость сильно коррелированных электронов оксидов меди и рутения в рамках t-J-I модели [Текст] / Е. В. Кузьмин, О. Г. Бакланов, С. Г. Овчинников // Журн. эксперим. и теор. физ. - 1999. - Т. 116 Вып. 2.- С.655-670

Держатели документа:
Krasnoyarsk State Univ, Krasnoyarsk 660075, Russia
Russian Acad Sci, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660075, Russia
ИФ СО РАН

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Baklanov, I. O.
}
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20.

Microscopic model of the coexistence of superconductivity and ferromagnetism in the hybrid ruthenate-cuprate oxide RuSr2GdCu2O8 / E. V. Kuz'min [et al.] // J. Exp. Theor. Phys. - 2000. - Vol. 91, Is. 2. - P. 353-360, DOI 10.1134/1.1311995. - Cited References: 37 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
T-J MODEL
   HUBBARD-MODEL
   LAYERED PEROVSKITE
   SR2RUO4
   ELECTRONS
   COPPER
   SPECTRUM
Аннотация: A microscopic t-J-I model with competing antiferromagnetic (J) and ferromagnetic (I) exchange interactions is proposed for strongly correlated electrons in RuSr2GdCu2O8 . It is assumed that J much greater than I for CuO2 layers and J much less than I for RuO2 layers. A superconducting solution of d(x2-y2) symmetry was obtained for the CuO2 layers while competition between ferromagnetism and p-type triplet superconducting pairing is obtained for RuO2 layers. It is shown that the RuO2 layers have a lower carrier concentration in the Hubbard subband formed by coupled ((d(xy)-p)-pi) orbitals compared with a bulk Sr2RuO4 crystal, which leads to stabilization of the ferromagnetic state in the RuO2 layer. (C) 2000 MAIK "Nauka/Interperiodica".

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Публикация на русском языке Микроскопическая модель сосуществования сверхпроводимости и ферромагнетизма в гибридном рутенатно-купратном оксиде RuSr2GdCu2O8 [Текст] / Е. В. Кузьмин [и др.] // Журн. эксперим. и теор. физ. - 2000. - Т. 118 Вып. 2.- С.404

Держатели документа:
Krasnoyarsk State Univ, Krasnoyarsk 660062, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Kuz'min, E. V.; Кузьмин, Евгений Всеволодович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Baklanov, I. O.; Бакланов И. О.; Goryachev, E. G.; Горячев, Евгений Геннадьевич
}
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