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Перегляд Физика низких температур, 2008, том 34 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2008, том 34 за назвою

Сортувати за: Порядок: Результатів:

  • Radial thermal expansion of single-walled carbon nanotube bundles at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Vinnikov, N.A.; Popov, S.N.; Sundqvist, B. (Физика низких температур, 2008)
    For the first time the linear coefficient of the radial thermal expansion has been measured on a system of SWNT bundles at low temperatures (2.2–120 K). The measurements were performed using a dilatometer with a sensitivity ...
  • Resonance absorption, reflection, transmission of phonons and heat transfer through interface between two solids 
    Kosevich, Yu.A.; Feher, A.; Syrkin, E.S. (Физика низких температур, 2008)
    The different mechanisms of resonant transport of phonons between two media in the presence of impurity intermediate layer are described. Particular attention is focused on the resonance interaction of elastic waves with ...
  • Search for fourth sound propagation in supersolid ⁴He 
    Aoki, Y.; Lin, X.; Kojima, H. (Физика низких температур, 2008)
    A systematic study was carried out to search for fourth sound propagation solid ⁴He samples below 500 mK down to 40 mK between 25 and 56 bar using the techniques of heat pulse generator and titanium superconducting ...
  • Semiclassical approach to the description of the basic properties of nanoobjects 
    Kornyushin, Y. (Физика низких температур, 2008)
    Present paper is a review of results, obtained in the framework of semiclassical approach in nanophysics. Semiclassical description, based on Electrostatics and Thomas–Fermi model was applied to calculate dimensions of ...
  • Solitons in isotropic antiferromagnets: beyond a sigma model 
    Galkina, E.G.; Galkin, A.Yu.; Ivanov, B.A. (Физика низких температур, 2008)
    Isotropic antiferromagnets shows a reach variety of magnetic solitons with nontrivial static and dynamic properties. One-dimensional soliton elementary excitations have a periodic dispersion law. For two-dimensional case, ...
  • Soliton transmission through disordered system 
    Kovalev, A.S.; Prilepsky, J.E.; Gredeskul, S.A.; Derevyanko, S.A. (Физика низких температур, 2008)
    An exact formula for the transmission time in the disordered nonlinear soliton-bearing classical one-dimensional system is obtained.
  • Spectral function of graphene with short-range impurity centers 
    Skrypnyk, Yu.V.; Loktev, V.M. (Физика низких температур, 2008)
    Spectral function of graphene with point substitutional defects is calculated for different impurity concentrations. It is demonstrated that features in the spectral function of graphene observed in ARPES experiments can ...
  • Superfluidity of ⁴He confined in nanoporous media 
    Shirahama, K.; Yamamoto, K.; Shibayama, Y. (Физика низких температур, 2008)
    We have examined superfluid properties of ⁴He confined to a nanoporous Gelsil glass that has nanopores 2.5 nm in diameter. The pressure–temperature phase diagram was determined by torsional oscillator, heat capacity and ...
  • Switching phenomena in magnetic vortex dynamics 
    Gaididei, Y.B.; Kravchuk, V.P.; Mertens, F.G.; Sheka, D.D. (Физика низких температур, 2008)
    Amagnetic nanoparticle in a vortex state is a promising candidate for the information storage. One bit of information corresponds to the upward or downward magnetization of the vortex core (vortex polarity). Generic properties ...
  • The Berry phase in graphene and graphite multilayers 
    Mikitik, G.P.; Sharlai, Yu.V. (Физика низких температур, 2008)
    We discuss the electron energy spectra and the Berry phases for graphene, a graphite bilayer, and bulk graphite allowing for a small spin-orbit interaction. If an electron orbit in the Brillouin zone surrounds several Dirac ...
  • The effect of proton ordering in thermal conductivity of clathrate tetrahydrofuran hydrate 
    Krivchikov, A.I.; Romantsova, O.O.; Korolyuk, O.A. (Физика низких температур, 2008)
    The effect of proton ordering in tetrahydrofuran hydrate has been detected using a technique based on measurement of thermal conductivity. The thermal conductivity of tetrahydrofuran hydrate was measured by the steady-state ...
  • The effect of the noncentral impurity-matrix interaction upon the thermal expansion and polyamorphism of solid CO–C₆₀ solutions at low temperatures 
    Dolbin, A.V.; Esel’son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Vinnikov, N.A.; Gadd, G.E.; Moricca, S.; Cassidy, D.; Sundqvist, B. (Физика низких температур, 2008)
    Orientational glasses with CO molecules occupying 26 and 90% of the octahedral interstitial sites in the C₆₀ lattice have been investigated by the dilatometric method in a temperature interval of 2.5–22 K. At temperatures 4–6 ...
  • Thermal conductivity of a quantum spin-1/2 antiferromagnetic chain with magnetic impurities 
    Zvyagin, A.A. (Физика низких температур, 2008)
    We present an exact theory that describes how magnetic impurities change the behavior of the thermal conductivity for the integrable Heisenberg antiferromagnetic quantum spin-1/2 chain. Single magnetic impurities and a ...
  • The two Josephson junction flux qubit with large tunneling amplitude 
    Shnyrkov, V.I.; Soroka, A.A.; Melnyk, S.I. (Физика низких температур, 2008)
    In this paper we discuss solid-state nanoelectronic realizations of Josephson flux qubits with large tunneling amplitude between the two macroscopic states. The latter can be controlled via the height and form of the ...
  • Tight-binding study of nonmagnetic-defect-induced magnetism in graphene 
    Kumazaki, H.; Hirashima, D.S. (Физика низких температур, 2008)
    This review describes a study of nonmagnetic-defect-induced magnetism of graphene on the basis of a tight-binding model. A vacancy induces a quasilocalized impurity state at the chemical potential around itself, and it ...
  • Toward theory of quantum Hall effect in graphene 
    Gorbar, E.V.; Gusynin, V.P.; Miransky, V.A. (Физика низких температур, 2008)
    We analyze a gap equation for the propagator of Dirac quasiparticles and conclude that in graphene in a magnetic field, the order parameters connected with the quantum Hall ferromagnetism dynamics and those connected ...
  • Vacuum polarization in graphene with a topological defect 
    Sitenko, Yu.A.; Vlasii, N.D. (Физика низких температур, 2008)
    The influence of a topological defect in graphene on the ground state of electronic quasiparticle excitations is studied in the framework of the long-wavelength continuum model originating in the tightbinding approximation ...
  • Visualizing intrinsic localized modes with a nonlinear micromechanical array 
    Sato, M.; Sievers, A.J. (Физика низких температур, 2008)
    Micromechanical cantilever arrays provide the opportunity to visualize the nonlinear excitations of a discrete nonlinear system in real time. Both stationary and moving localized nonlinear excitations can be produced ...
  • X-ray magnetic circular dichroism in d and f ferromagnetic materials: recent theoretical progress. Part I 
    Antonov, V.N.; Shpar, A.P.; Yaresko, A.N. (Физика низких температур, 2008)
    The current status of theoretical understanding of the x-ray magnetic circular dichroism (XMCD) of 3d compounds is reviewed. Energy band theory based upon the local spin-density approximation (LSDA) describes the XMCD ...
  • X-ray magnetic circular dichroism in d and f ferromagnetic materials: recent theoretical progress. Part I 
    Antonov, V.N.; Shpak, A.P.; Yaresko, A.N. (Физика низких температур, 2008)
    The curreThe current status of theoretical understanding of the x-ray magnetic circular dichroism (XMCD) of 4 f and 5 f compounds is reviewed. Energy band theory based upon the local spin-density approximation (LSDA) ...

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