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Перегляд Физика низких температур за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур за назвою

Сортувати за: Порядок: Результатів:

  • Lambda point thermodynamics of confined liquid helium: negative surface specific heat 
    Ferrell, R.A.; Bhattacharjee, J.K. (Физика низких температур, 1998)
    We present some theoretical considerations that are relevant to the forthcoming measurements in microgravity of the specific heat of confined liquid helium (the flight experiment «СНЕХ»), Primary attention is devoted to ...
  • Landau–Zener transitions and Rabi oscillations in a Cooper-pair box: beyond two-level models 
    Parafilo, A.V.; Kiselev, M.N. (Физика низких температур, 2018)
    We investigate quantum interference effects in a superconducting Cooper-pair box by taking into account the possibility of tunneling processes involving one and two Cooper pairs. The quantum dynamics is analyzed in ...
  • Large microlensing history and perspectives 
    Byalko, A.V. (Физика низких температур, 1998)
  • Laser scanning microscopy of HTS films and devices (Review Article) 
    Zhuravel, A.P.; Sivakov, A.G.; Turutanov, O.G.; Omelyanchouk, A.N.; Anlage, S.M.; Lukashenko, A.; Ustinov, A.V.; Abraimov, D. (Физика низких температур, 2006)
    The work describes the capabilities of laser scanning microscopy (LSM) as a spatially-resolved method of testing high–Tc materials and devices. The earlier results obtained by the authors are briefly reviewed. Some novel ...
  • Lattice distortion in hcp rare gas solids 
    Grechnev, A.; Tretyak, S.M.; Freiman, Yu.A. (Физика низких температур, 2010)
    The lattice distortion parameter δ≡c/a – √8/3 has been calculated as a function of molar volume for the hcp phases of He, Ar, Kr, and Xe. Results from both semi-empirical potentials and density functional theory are ...
  • Lattice distortion of quantum cryocrystals under pressure 
    Tretyak, S.M.; Antsygina, T.N.; Freiman, Yu.A. (Физика низких температур, 2006)
    The hcp lattice distortion parameter δ, the deviation of c/a ratio from the ideal hcp value √ 8/3 , have been calculated for solid He under pressure taking into account two- and three-body interatomic forces. The resulting ...
  • Lattice dynamics of cryocrystals at high pressure 
    Horbenko, E.E.; Troitskaya, E.P.; Chabanenko, Val.V. (Физика низких температур, 2007)
    The lattice dynamics of cryocrystals is investigated from first principles in the framework of the Tolpygo model over a wide range of pressures. The phonon frequencies in rare-gas solids are calculated in terms of models ...
  • Lattice modes of solid nitrogen to 104 GPa 
    Olijnyk, H.; Jephcoat, A.P. (Физика низких температур, 2001)
    Lattice modes of solid nitrogen were studied by Raman spectroscopy at room temperature to 104 GPa using the diamond anvil technique. Changes in the lattice mode spectral features correlate with those observed in ...
  • 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 ...
  • Levitation of delocalized states at weak magnetic field: critical exponents and phase diagram 
    Kagalovsky, V. (Физика низких температур, 2013)
    We study numerically the form of the critical line in the disorder–magnetic field phase diagram of the p–q network model, constructed to study the levitation of extended states at weak magnetic fields. We use oneparamet ...
  • Librational motion of CO in solid Ar: Raman and IR spectra and quantum simulations 
    Lindgren, J.; Olbert-Majkut, A.; Pettersson, M.; Kiljunen, T. (Физика низких температур, 2012)
    Rovibrational Raman spectra of CO molecules isolated in solid Ar were measured for the 9–30 K temperature range and compared to past and present IR spectra. The fundamental band appears as a triplet-split structure, where ...
  • LiCoPO₄ — пироэлектрик? 
    Колодяжная, М.П.; Звягина, Г.А.; Билыч, И.В.; Жеков, К.Р.; Харченко, Н.Ф.; Филь, В.Д. (Физика низких температур, 2017)
    Изучена акустоэлектрическая трансформация в монокристалле LiCoPO₄. В области температур, соответствующей парамагнитной фазе, наблюдается пьезоотклик на продольную упругую деформацию, параллельную кристаллографической оси ...
  • Light-induced optical absorption in the garnet Ca₃Mn₂Ge₃O₁₂ 
    Bedarev, V.A.; Gnatchenko, S.L.; Rupp, R.A.; Sugg, B. (Физика низких температур, 1998)
    Light-induced change in the optical absorption of the garnet Ca₃Mn₂Ge₃O₁₂ has been found. The magnitude of the light-induced optical absorption does not depend on the polarization state of the exciting illumination. The ...
  • Light scattering in LiCoPO₄ single crystal: analysis of the vibrational spectrum 
    Fomin, V.I.; Gnezdilov, V.P.; Kurnosov, V.S.; Peschanskii, A.V.; Eremenko, V.V.; Rivera, J.-P.; Gentil, S. (Физика низких температур, 1999)
    In a single crystal of LiCoPO₄ Raman scattering has been studied in a wide temperature range. Thirty-two of the 36 Raman-active vibrational modes predicted by group-theory analysis were detected. The experimental lines are ...
  • Light scattering on phonons in quasi-one-dimensional antiferromagnet CsFeCl₃·2H₂O induced by magnetic ordering 
    Kurnosov, V.S.; Pashkevich, Yu. G.; Peschanskii, A.V.; Fomin, V.I.; Yeremenko, A.V. (Физика низких температур, 2002)
    The appearance of new phonon lines in the Raman spectrum of the quasi-one-dimensional antiferromagnet CsFeCl₃·2H₂O as a consequence of magnetic ordering with a change of the unit cell volume was detected experimentally. ...
  • Linear, diatomic crystal: single-electron states and large-radius excitons 
    Adamyan, V.M.; Smyrnov, O.A. (Физика низких температур, 2009)
    The large-radius exciton spectrum in a linear crystal with two atoms in the unit cell was obtained using the single-electron eigenfunctions and the band structure, which were found by the zero-range potentials method. The ...
  • Liquid ³He–⁴He mixture phase diagram in restricted geometry 
    Degtiarov, I.A.; Sokolov, S.S. (Физика низких температур, 2012)
    The influence of van der Waals forces on the decay of liquid solutions of helium isotopes is studied theoretically and the conditions for the phase co-existence in a confined geometry are investigated. As the models to ...
  • Local and global superconductivity in bismuth 
    Baring, L.A.; da Silva, R.R.; Kopelevich, Y. (Физика низких температур, 2011)
    We performed magnetization M(H,T) and magnetoresistance R(T,H) measurements on powdered (grain size ~ 149 μm) as well as highly oriented rhombohedral (A7) bismuth (Bi) samples consisting of single crystalline blocks of ...
  • Local field effects in the spectroscopy of Cs atoms trapped in solid ₄He 
    Lang, S.; Arndt, M.; Hansch, T.W.; Kanorsky, S.I.; Lucke, S.; Ross, S.B.; Weis, A. (Физика низких температур, 1996)
  • Local formation of HArF in solid argon: Low-temperature limit and thermal activation 
    Lignell, H.; Khriachtchev, L.; Lignell, A.; Räsänen, M. (Физика низких температур, 2010)
    The H + Ar + F reaction leading to HArF formation in an argon matrix is studied at temperatures down to 8 K. The effects of the precursor concentration, deuteration, IR light, and deposition temperature as well as thermal ...

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