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Перегляд Физика низких температур, 2007, том 33 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2007, том 33 за назвою

Сортувати за: Порядок: Результатів:

  • Quantum phase transitions and thermodynamics of quantum antiferromagnets with competing interactions 
    Trippe, Ch.; Klumper, A. (2007)
    We study the isotropic Heisenberg chain with nearest and next-nearest neighbor interactions. The ground state phase diagram is constructed in dependence on the additional interactions and an external magnetic field. The ...
  • Quantum phonon transport in 3D metal–dielectric point polycontacts with strong lattice distortions 
    Feher, A.; Egupov, S.A.; Shkorbatov, A.G. (Физика низких температур, 2007)
    The experimental results and theoretical analysis of the heat flux in an Si–Cu pressure-made 3D point contact are given. The contributions of the quantum phonon transport, weak electron–phonon interaction and strong ...
  • Rabi oscillations and quantum beats in a qubit in distorted magnetic field 
    Ivanchenko, E.A.; Tolstoluzhsky, A.P. (Физика низких температур, 2007)
    In a two-level system the time-periodic modulation of the magnetic field stabilizing the magnetic resonance position has been investigated. It was shown that the fundamental resonance is stable with respect to consistent ...
  • Re-distribution (condensation) of magnons in a ferromagnet under pumping 
    Zvyagin, A.A. (2007)
    Last years several experiments were performed, which studied the Bose-Einstein condensation of quasi-particles, in particular, magnons in magnetically ordered systems. Recently the Bose-Einstein condensation of magnons was ...
  • Shift of close-packed basal planes as an order parameter of transitions between antiferromangetic phases in solid oxygen: II. Temperature/pressure dependence of sound velocities and lattice parameters 
    Gomonay, E.V.; Loktev, V.M. (Физика низких температур, 2007)
    In the present paper we generalize a phenomenological model developed by Gomonay and Loktev (Fiz. Nizk. Temp. 31, 1002 (2005)) for the description of magnetostructural phase transitions and related peculiarities of elastic ...
  • Size quantization in metal films 
    Nedorezov, S.S. (Физика низких температур, 2007)
    Quantum size effect, predicted by I.M. Lifshits and A.M. Kosevich [Izv. Akad. Nauk SSSR, seriya fiz. 19, 395 (1955)], was investigates in a many works. In the basis of analysis of quantum size oscillations of thermodynamics and ...
  • Specific features of thermal expansion and polyamorphism in CH4–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. (2007)
    The temperature dependence of the linear thermal expansion coefficient α(T) has been investigated in the temperature range of 2.5 to 23 K for two different CH4–C60 solutions in which CH4 molecules occupied 24 and 50% of ...
  • Spin modes in electron Fermi liquid of organic conductors 
    Peschansky, V.G.; Stepanenko, D.I. (Физика низких температур, 2007)
    The propagation of spin waves in Q2D layered conductors placed in a magnetic field is studied. It is shown, that at certain orientations of the magnetic field with respect to the layers the collisionless absorption is ...
  • Statistical model analysis of local structure of quaternary sphalerite crystals 
    Robouch, B.V.; Kisie, A.; Marcelli, A.; Sheregii, E.M.; Cestelli Guidi, M.; Piccinini, M.; Polit, J.; Cebulski, J.; Mycielsk, A.; Ivanov-Omski, V.I.; Sciesinska, E.; Sciesinski, J.; Burattini, E. (Физика низких температур, 2007)
    At the 2004 Ural International Winter School, we introduced the statistical strained tetrahedron model and discussed ternary tetrahedron structured crystals. The model allows one to interpret x-ray absorption fine structure ...
  • Stimulated by laser light exoelectron emission from solid Ar pre-irradiated by an electron beam 
    Gumenchuk, G.B.; Ponomaryov, A.N.; Belov, A.G.; Savchenko, E.V.; Bondybey, V.E. (Физика низких температур, 2007)
    Spatially separated stable charge centers, self-trapped holes and trapped electrons, were generated in Ar cryocrystals by a low-energy electron beam. A combination of the cathodoluminescence (CL) and photon- stimulated ...
  • Structural formation and thermal relaxation of quench-condensed Kr films: effect on EPR spectrum of trapped hydrogen atoms 
    Dmitriev, Yu.A. (Физика низких температур, 2007)
    Hydrogen atoms were trapped in a quench condensed Kr matrix and investigated by EPR. Each hyperfine component is a superposition of broad and narrow line. The spectrum of narrow lines shows an axial anisotropy of the ...
  • Structural phase transition in two-dimensional tetramer-cuprate Na₅RbCu₄(AsO₄)₄Cl₂ 
    Gnezdilov, V.; Bedarev, V.; Pashkevich, Yu.; Lemmens, P.; Zvyagin, S.; Gnatchenko, S.; Pashchenko, M.; Mo, X.; Queen, W.; Hwu, S.J. (Физика низких температур, 2007)
    Using Raman scattering and optical birefringence we have investigated a low-temperature phase transition in single crystal of the two-dimensional Na₅RbCu₄(AsO₄)₄Cl₂. Phonon anomalies point to a first order nature of the ...
  • Structure of quench condensed nH₂–N₂ binary alloys: isotope effect 
    Galtsov, N.N.; Prokhvatilov, A.I.; Strzhemechny, M.A. (Физика низких температур, 2007)
    Structure of quench condensed nH₂–N₂ alloys was investigated by powder x-ray diffraction over a wide range of temperatures, compositions, and rates of deposition. The structure of the deposits is shown to depend on the ...
  • The electromagnetic response of a superconducting ferromagnets 
    Leviev, G.I.; Tsindlekht, M.I.; Sonin, E.B.; Felner, I. (Физика низких температур, 2007)
    The electromagnetic response of the superconducting ferromagnets RuSr₂Gd₁.₅Ce₀.₅Cu₂O₁₀ (Ru–1222 Gd) in an ac magnetic field of finite amplitude is investigated. Taking into account weak links between granules and ...
  • Theory of rare gas alloys: heat capacity 
    Bagatskii, M.I.; Feodosyev, S.B.; Gospodarev, I.A.; Kotlyar, O.V.; Manzhelii, E.V.; Nedzvetskiy, A.V.; Syrkin, E.S. (Физика низких температур, 2007)
    Low-temperature heat capacity of cryocrystals, which contain impurity clusters has been investigated theoretically and experimentally. Such defects might essentially enrich low-frequency part of the phonon spectrum by ...
  • The peculiarities of heat transfer in CO₂ and N₂O solids at low temperatures 
    Sumarokov, V.V.; Stachowiak, P.; Jeżowski, A. (Физика низких температур, 2007)
    The thermal conductivities of CO₂ and N₂O solids have been investigated in the low-temperature range 1–40 K. The thermal conductivities of CO₂ and N₂O are large compared with those of simple molecular crystals such as ...
  • The phase of the de Haas–van Alphen oscillations, the Berry phase, and band-contact lines in metals 
    Mikitik, G.P.; Sharlai, Yu.V. (Физика низких температур, 2007)
    We point out that measurements of a phase of the de Haas–van Alphen oscillations can give information on a degeneracy of electron-energy bands in a metal even though this degeneracy occurs far away from its Fermi level. ...
  • The plateau effect in thermal conductivity of solid hydrogen with neon impurity 
    Zholonko, N.N. (Физика низких температур, 2007)
    The thermal conductivity of solid hydrogen with 1–2 ppm Ne impurity was investigated in the temperature range 1.5–10 K on samples grown from the liquid phase at various growth rates. The result differ qualitatively from ...
  • Thermal conductivity of solid CF₂Cl₂ 
    Pursky, O.I.; Konstantinov, V.A. (Физика низких температур, 2007)
    The thermal conductivity of solid CF₂Cl₂ was measured by the linear-flow method in the temperature range 80–115 K under saturated vapor pressure. Special attention is given to the explanation of the heat transfer process ...
  • Thermally stimulated exoelectron emission from solid Xe 
    Khyzhniy, I.V.; Grigorashchenko, O.N.; Ponomaryov, A.N.; Savchenko, E.V.; Bondybey, V.E. (Физика низких температур, 2007)
    Thermally-stimulated emission of exoelectrons and photons from solid Xe pre-irradiated by low-energy electrons were studied. A high sensitivity of thermally-stimulated luminescence (TSL) and thermally-stimulated exoelectron ...

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