Search Results - (Author, Cooperation:A. Mishchenko)

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  1. 1
    Staff View
    Publication Date:
    2018-05-16
    Publisher:
    National Academy of Sciences
    Print ISSN:
    0027-8424
    Electronic ISSN:
    1091-6490
    Topics:
    Biology
    Medicine
    Natural Sciences in General
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Petr A. Mishchenko, Yasuyuki Kato, and Yukitoshi Motome
    American Physical Society (APS)
    Published 2018
    Staff View
    Publication Date:
    2018-02-17
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    1098-0121
    Electronic ISSN:
    1095-3795
    Topics:
    Physics
    Keywords:
    Errata
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Staff View
    Publication Date:
    2013-05-04
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  4. 4
    M. Lozada-Hidalgo ; S. Hu ; O. Marshall ; A. Mishchenko ; A. N. Grigorenko ; R. A. Dryfe ; B. Radha ; I. V. Grigorieva ; A. K. Geim
    American Association for the Advancement of Science (AAAS)
    Published 2016
    Staff View
    Publication Date:
    2016-01-02
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  5. 5
    R. V. Gorbachev ; J. C. Song ; G. L. Yu ; A. V. Kretinin ; F. Withers ; Y. Cao ; A. Mishchenko ; I. V. Grigorieva ; K. S. Novoselov ; L. S. Levitov ; A. K. Geim
    American Association for the Advancement of Science (AAAS)
    Published 2014
    Staff View
    Publication Date:
    2014-10-25
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  6. 6
    L. Britnell ; R. V. Gorbachev ; R. Jalil ; B. D. Belle ; F. Schedin ; A. Mishchenko ; T. Georgiou ; M. I. Katsnelson ; L. Eaves ; S. V. Morozov ; N. M. Peres ; J. Leist ; A. K. Geim ; K. S. Novoselov ; L. A. Ponomarenko
    American Association for the Advancement of Science (AAAS)
    Published 2012
    Staff View
    Publication Date:
    2012-02-04
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  7. 7
    Staff View
    Publication Date:
    2013-05-17
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  8. 8
    Staff View
    Publication Date:
    2014-12-04
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  9. 9
    Mishchenko, A. A. ; Mishchenko, A. T.
    Springer
    Published 2000
    Staff View
    ISSN:
    1573-8337
    Keywords:
    logic design ; formalized and computer-aided methods of logic design ; control units ; design of reliable control units ; autogram-based specification of control units ; formal autogram-based construction of control units from nontransparent flip-flops ; formal synthesis of control units without movement and with movement ; monoautomata and biautomata ; stability of states of biautomata and monoautomata ; formal synthesis of monoautomata and biautomata
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Computer Science
    Notes:
    Abstract This paper deals with two formal autogram-based methods of construction of control units from transparent flip-flops (latches). The first (general) method can be used to design clocked and asynchronous circuits. The second (simple) method makes it possible to synthesize circuits based on nonclassical models. The latter method can be easily automated, improves the checkout of control units, and allows one to construct control units from unified (standard) blocks.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  10. 10
    Mishchenko, A. S.
    Springer
    Published 1997
    Staff View
    ISSN:
    1090-6487
    Keywords:
    75.10.Dg ; 75.20.Hr ; 75.80.+q ; 75.30.Et
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract The influence of the Kondo effect on the state of the crystalline field in the localized-moment regime is studied. It is shown that the exchange interaction leads to an anomalous temperature dependence of the intensity of the inelastic magnetic scattering of neutrons. An unconventional theory is constructed for the magnetoelastic interaction induced by Kondo scattering. The proposed model is in quantitative agreement with the results of neutron and thermodynamic investigations of the compound CeAl3.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  11. 11
    Mishchenko, A. S.
    Springer
    Published 1998
    Staff View
    ISSN:
    1090-6487
    Keywords:
    75.25.+z ; 75.20.Hr
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract A theory of quasielastic scattering by a spin liquid with resonating valence bonds is constructed. It is demonstrated that the dependence of the scattering cross section of the spin liquid on the energy transfer has the same shape as the quasielastic peak observed experimentally in heavy-fermion systems. It is shown that a consequence of fact that the excitations of the spin-liquid state obey Fermi statistics is that the total quasielastic scattering cross section oscillates as a function of the momentum transfer.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  12. 12
    Kikoin, K. A. ; Kiselev, M. N. ; Mishchenko, A. S.
    Springer
    Published 1997
    Staff View
    ISSN:
    1090-6509
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract A theory of stabilization of a spin liquid in a Kondo lattice at temperatures close to the temperature of antiferromagnetic instability has been developed. Kondo exchange scattering of conduction electrons leads to emergence of a state of the spin liquid of the resonating valence bonds (RVB) type at T〉T K. Owing to this stabilization, low-energy processes of Kondo scattering with energies below T K are frozen so that the “singlet” state of the Kondo lattice is not realized; instead a strongly correlated spin liquid with developed antiferromagnetic fluctuations occurs. A new version of the Feynman diagram technique has been developed to describe interaction between spin fluctuations and resonant valence bonds in a self-consistent manner. Emergence of a strongly anisotropic RVB spin liquid is discussed.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  13. 13
    Staff View
    ISSN:
    1063-7834
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract The temperature dependence of the spin-lattice relaxation time T 1 and the 7Li NMR spectra of the Li0.7Nb3Se4 intercalation compound with one-dimensional channel structure have been studied. It is found that the temperature dependence of T 1 exhibits two relaxation minima, and the quadrupole splitting in the Li NMR spectra shows an anomalous temperature behavior. The inference is drawn that the observed effects are associated with the high-rate diffusive motion of lithium ions along one-dimensional channels and the interchannel transitions.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  14. 14
    Kikoin, K. A. ; Kiselev, M. N. ; Mishchenko, A. S.
    Springer
    Published 1997
    Staff View
    ISSN:
    1090-6509
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  15. 15
    Kiselev, M. N. ; Mishchenko, A. S.
    Springer
    Published 1998
    Staff View
    ISSN:
    1090-6509
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract A self-consistent microscopic theory of the relaxation of the crystal-field levels of an impurity ion in a state with an integer valence implanted in a normal metal is devised. A microscopic approach based on the Coqblin-Schrieffer-Cooper approach, rather than the formal model of the sf exchange interaction, makes it possible to take into account the specific details of both the crystal-field states of the impurity ion and the electronic band spectrum of the metal. A new method for the soft spectroscopy of electronic states based on measurements of the temperature dependence of the width ΓMM′(T) of transitions between the crystal-field states |M〉 of a paramagnetic ion implanted in the compound being studied is proposed. To make specific use of this method in neutron and optical spectroscopy, a classification of the types of temperature dependence of the natural relaxation width γ M (T) of the levels is devised, and procedures for possible experimental methods are proposed. A nonzero value of the natural relaxation width γ G (T) of the crystal-field ground state | G〉 of an impurity ion at zero temperature is obtained within the proposed self-consistent model, but is beyond the scope of perturbation theory. It is shown that the widely accepted estimate of the characteristic temperature of Kondo systems T*=Γ G(T=0)/2 from the quasielastic scattering width at zero temperature Γ G (T=0)/2 is incorrect in the case of strong relaxation in a system with soft crystal fields. The proposed model is applied to the quantitative analysis of the relaxation of the crystal-field levels of paramagnetic Pr3+ ions implanted in CeAl3 and LaAl3. The results of the calculations are in quantitative agreement with the experimental data.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  16. 16
    Staff View
    ISSN:
    1090-6525
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract An experimental investigation was made of an open-ended microstrip transducer which excites a magnetostatic surface wave in the frequency range 9–9.8 GHz in various magnetic fields. A description is given of a method of measuring the input impedance of the transducer in the microwave when an array of connecting waveguide elements with losses were present between the transducer and the resistance measuring system. Dependences of the radiation coefficient and the phase propagation constant of an electromagnetic wave in the transducer were obtained as a function of the magnetic field induction. Calculations were made of the efficiency of conversion of electromagnetic energy into a electromagnetic surface wave.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  17. 17
    Mishchenko, A. P. ; Gryaznov, V. M. ; Sarylova, M. E.
    Springer
    Published 1991
    Staff View
    ISSN:
    1573-9171
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Chemistry and Pharmacology
    Notes:
    Abstract It has been shown that the nature of the metal used for thermal diffusion treatment of the surface of membrane catalysts affects the selectivity toward penta-1,3-diene hydrogenation. The formation of cyclopentene and cyclopentane has been estabished for membrane catalysts made from Pd Alloys with Ru and Rh that have been subjected to thermal diffusion of Zn and Ga and chemical treatment.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  18. 18
    Staff View
    ISSN:
    1573-9171
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Chemistry and Pharmacology
    Notes:
    Conclusions 1. The reaction of the O-ethers of activated oximes with diazoalkanes was investigated, and a simple synthesis was developed for difficultly obtainable O-substituted 1-hydroxy-2,2aziridine dicarboxylic esters. 2. The acid-catalyzed decomposition of dimethyl 1-tosyloxy-Δ2-1,2,3-triazoline-5,5dicarboxylate leads to aziridine and methyl p-toluenesulfonate. During thermolysis and direct photolysis the product from the retroprocess tosyloxyiminomalonate and its homolog tosyloxyiminosuccinate are formed in addition. The yield of the latter decreases during sensitized photolysis. 3. It was found that the saponification of the alkyloxyiminomalonic esters is trans stereospecific, and the Z and E Isomers of methyl ethyl methoxyiminomalonate. were.synthesized. 4. Optically active dimethyl 1-tosyloxy-2,2-aziridinedicarboxylate was obtained by crystallization froml-methyl lactate.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  19. 19
    Staff View
    ISSN:
    1573-9171
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Chemistry and Pharmacology
    Notes:
    Abstract The possibility of producing a porous surface layer on membranes formed from palladium alloys with mercury and lanthanum has been investigated. Membranes with the highest permeability to hdyrogen produced at temperatues in the range 500–550 K with zinc and 560–570 K with copper had maximum surface porosity.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  20. 20
    Staff View
    ISSN:
    1573-8205
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Energy, Environment Protection, Nuclear Power Engineering
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses