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Перегляд Физика низких температур, 2005, том 31 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2005, том 31 за назвою

Сортувати за: Порядок: Результатів:

  • Correlations, spin dynamics, defects: the highly-frustrated Kagomé bilayer 
    Bono, D.; Limot, L.; Mendels, P.; Collin, G.; Blanchard, N. (Физика низких температур, 2005)
    The SrCr₉p Ga₁₂-₉pO₁₉ and Ba₂Sn₂ ZnGa₁₀-₇p Cr₇pO₂₂ compounds are two highly-frustrated magnets possessing a quasi-two-dimensional Kagomé bilayer of spin 3/2 chromium ions with antiferromagnetic interactions. Their magnetic ...
  • Diagnostics of macroscopic quantum states of Bose–Einstein condensate in double-well potential by nonstationary Josephson effect 
    Vol, E.D. (Физика низких температур, 2005)
    We propose a method of diagnostics of a degenerate ground state of Bose condensate in a double- well potential. The method is based on the study of the one-particle coherent tunneling under switching of the time-dependent ...
  • Diagnostics of macroscopic quantum states of Bose–Einstein condensate in double-well potential by nonstationary Josephson effect 
    Vol, E.D. (Физика низких температур, 2005)
    We propose a method of diagnostics of a degenerate ground state of Bose condensate in a double- well potential. The method is based on the study of the one-particle coherent tunneling under switching of the time-dependent ...
  • Direct optical excitation of two and three magnons in α-Fe₂O₃ 
    Tanabe, Y.; Fujimaki, Y.; Kojima, K.; Uchida, S.; Onari, S.; Matsuo, T.; Azuma, S.; Hanamura, E. (Физика низких температур, 2005)
    Direct excitation of two and three magnons is observed in midinfrared absorption and Raman scattering spectra of α-Fe₂O₃ crystals. These polarization characteristics and the spectra themselves are shown to be understood ...
  • Dynamic behavior of Josephson-junction qubits: crossover between Rabi oscillations and Landau–Zener transitions 
    Shevchenko, S.N.; Kiyko, A.S.; Omelyanchouk, A.N.; Krech, W. (Физика низких температур, 2005)
    We study the dynamic behavior of a quantum two-level system with periodically varying parameters by solving numerically the master equation for the density matrix. Two limiting cases are considered: multiphoton Rabi ...
  • Electrical resistivity of Ti₄₁.₅Zr₄₁.₅Ni₁₇ quasicrystals in the temperature region 0.3–300 K 
    Azhazha, V.M.; Khadzhay, G.Ya.; Malikhin, S.V.; Merisov, B.A.; Ott, H.R.; Pugachov, A.T.; Sologubenko, A.V. (Физика низких температур, 2005)
    The electrical resistivity of icosahedral quasicrystals Ti₄₁.₅Zr₄₁.₅Ni₁₇ was investigated in the temperature region between 0.3 and 300 K on samples of different quality. In the temperature region between 0.3 and 2 K, ...
  • Energy pumping in a quantum nanoelectromechanical system 
    Nord, T.; Gorelik, L.Y. (Физика низких температур, 2005)
    Fully quantized mechanical motion of a single-level quantum coupled to two voltage biased electronic leads is studied. It is found that there are two different regimes depending on the applied voltage. If the bias voltage ...
  • Enhancement of the Josephson current by magnetic field in superconducting tunnel structures with a paramagnetic spacer 
    Krivoruchko, V.N.; Koshina, E.A. (Физика низких температур, 2005)
    The dc Josephson critical current of a (S/M)IS tunnel structure in a parallel magnetic field is investigated (here S is a superconductor, S/M is a proximity-coupled S and paramagnetic metal M bilayer, and I is an ...
  • EPR spectra of deuterated methyl radicals trapped in low temperature matrices 
    Dmitriev, Yu.A. (Физика низких температур, 2005)
    EPR spectra of CHD₂, and CD₃ radicals have been investigated in low-temperature matrices of H₂, D₂, and Ne at temperatures 1.6–4.2 K. A method of condensation from the gas phase on a cold substrate has been used. With ...
  • Evidence for superconductivity and a pseudogap in the new magnetic compound PrAg₆In₆ 
    Dmitriev, V.M.; Rybaltchenko, L.F.; Wyder, P.; Jansen, A.G.M.; Prentslau, N.N.; Suski, W. (Физика низких температур, 2005)
    Direct evidence for superconductivity in the new magnetic compound PrAg₆In₆ is revealed for the first time. The distinct Andreev-reflection current is observed in metallic point contacts (PC) based on this compound. The ...
  • Fermionic versus bosonic descriptions of one-dimensional spin-gapped antiferromagnets 
    Yamamoto, Shoji; Funase, Kei-ichi (Физика низких температур, 2005)
    In terms of spinless fermions and spin waves, we describe magnetic properties of a spin-1/2 ferromagnetic– antiferromagnetic bond-alternating chain which behaves as a Haldane-gap antiferromagnet. On one hand, we employ ...
  • Heat capacity of p-H₂–p-D₂–Ne solid solution: Effect of (p-D₂)Ne clusters 
    Bagatskii, M.I.; Minchina, I.Ya.; Bagatskii, V.M. (Физика низких температур, 2005)
    The heat capacity of a solid solution of 1% p-D₂ and 0.25% Ne in p-H₂ has been investigated in the interval ΔT = 0.5–4 K. An excess heat capacity ΔCNe of this solution exceeding the heat capacity of the 1% p-D₂ in p-H₂ ...
  • Hysteretic phenomena in Xe-doped C₆₀ from x-ray diffraction 
    Prokhvatilov, A.I.; Galtsov, N.N.; Legchenkova, I.V.; Strzhemechny, M.A.; Cassidy, D.; Gadd, G.E.; Moricca, S.; Sundqvist, B.; Aksenova, N.A. (Физика низких температур, 2005)
    Polycrystalline fullerite С₆₀ intercalated with Xe atoms at 575 K and a pressure of 200 MPa was studied by powder x-ray diffraction. The integrated intensities of a few brighter reflections have been utilized to evaluate ...
  • Incommensurate magnetism in the coupled spin tetrahedra system Cu₂Te₂O₅Cl₂ 
    Zaharko, O.; Ronnow, H.M.; Daoud-Aladine, A.; Streule, S.; Juranyi, F.; Mesot, J.; Berger, H.; Brown, P.J. (Физика низких температур, 2005)
    Neutron scattering studies on powder and single crystals have provided new evidences for unconventional magnetism in Cu₂Te₂O₅Cl₂. The compound is built from tetrahedral clusters of S = 1/2 Cu²⁺ spins located on a tetragonal ...
  • Influence of structural disorder on magnetic and transport properties of (La₀.₇Sr₀.₃)₀.₅(Pr₀.₆₅Ca₀.₃₅)₀.₅MnO₃ films 
    Prokhorov, V.G.; Flis, V.S.; Kaminsky, G.G.; Lee, Y.P.; Park, J.S.; Svetchnikov, V.L. (Физика низких температур, 2005)
    Magnetic and transport properties of (La₀.₇Sr₀.₃)₀.₅(Pr₀.₆₅Ca₀.₃₅)₀.₅MnO₃ films prepared by a «co-deposition» utilizing the laser-ablation technique are investigated in a wide temperature range. The film deposited at ...
  • Isochoric thermal conductivity of solid nitrogen 
    Konstantinov, V.A.; Manzhelii, V.G.; Revyakin, V.P.; Sagan, V.V. (Физика низких температур, 2005)
    The isochoric thermal conductivity of solid nitrogen has been investigated on four samples of different densities in the temperature interval from 20 K to the onset of melting. In α-N₂ the isochoric thermal conductivity ...
  • Josephson effect in a weak link between borocarbides 
    Kolesnichenko, Yu.A.; Shevchenko, S.N. (Физика низких температур, 2005)
    A stationary Josephson effect is analyzed theoretically for a weak link between borocarbide superconductors. It is shown that different models of the order parameter result in qualitatively different current-phase relations.
  • Level statistics for quantum Hall systems 
    Kagalovsky, V.; Horovitz, B.; Avishai, Y. (Физика низких температур, 2005)
    Level statistics for two classes of disordered systems at criticality are analyzed in terms of different realizations of the Chalker–Coddington network model. These include: 1) Re-examination of the standard U(1) model ...
  • Localized-magnon states in strongly frustrated quantum spin lattices 
    Richter, J. (Физика низких температур, 2005)
    Recent developments concerning localized-magnon eigenstates in strongly frustrated spin lattices and their effect on the low-temperature physics of these systems in high magnetic fields are reviewed. After illustrating ...
  • Low temperature microhardness of Xe-intercalated fullerite C₆₀ 
    Fomenko, L.S.; Lubenets, S.V.; Natsik, V.D.; Cassidy, D.; Gadd, G.E.; Moricca, S.; Sundqvist, B. (Физика низких температур, 2005)
    The Vickers microhardness of Xe-intercalated polycrystalline fullerite C₆₀ (XexC₆₀, x ≃ 0.35) is measured in a moderately low temperature range of 77 to 300 K. A high increase in the microhardness of the material (by a ...

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