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Перегляд Відділення фізики і астрономії за темою "Низкоразмерные и неупорядоченные системы"

Репозиторій DSpace/Manakin

Перегляд Відділення фізики і астрономії за темою "Низкоразмерные и неупорядоченные системы"

Сортувати за: Порядок: Результатів:

  • Kinetics of cluster growth in expanding rare-gas jet 
    Ratner, M.A. (Физика низких температур, 1999)
    The growth of clusters in an overcooled atomic jet is calculated with the simultaneous allowance for two processes: the condensation of supersaturated gas and the cluster-cluster aggregation. These processes are consistently ...
  • 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 ...
  • Low-frequency conductivity of a two-dimensional Wigner solid coupled to surface excitations of liquid helium 
    Monarkha, Yu.P. (Физика низких температур, 2003)
    The line-shape and broadening of coupled phonon-ripplon resonances of Wigner-solid conductivity are studied using the memory function formalism. The analytic properties of the memory function permit coordinating the ...
  • Low-temperature features of thermodynamics of an open isotropic Heisenberg chain 
    Zvyagin, A.A.; Makarova, A.V. (Физика низких температур, 2004)
    Low-temperature magnetic susceptibility and specific heat of an antiferromagnetic Heisenberg chain with open boundary conditions are calculated with the help of exact Bethe ansatz method. These characteristics behave ...
  • Low-temperature thermodynamics of two-dimensional electron gas on disordered host-lattice 
    Slavin, V.V. (Физика низких температур, 2009)
    Low-temperature thermodynamic properties of two-dimensional electron ensemble on ordered and disordered host-lattice is studied numerically by transfer-matrixes method. It is shown that at low temperatures and weak disordering ...
  • Magnetomechaniсs of mesoscopic wires 
    Blom, Sara (Физика низких температур, 2000)
    We have studied the force in mesoscopic wires in the presence of an external magnetic field along the wire, using a free electron model. We show that the applied magnetic field can be used to affect the force in the wire. ...
  • Majorana bound states in the finite-length chain 
    Zvyagin, A.A. (Физика низких температур, 2015)
    Recent experiments investigating edge states in ferromagnetic atomic chains on superconducting substrate are analyzed. In particular, finite size effects are considered. It is shown how the energy of the Majorana bound ...
  • Nature of critical current and coherent phenomena in granular MoNx thin films 
    Prokhorov, V.G.; Kaminsky, G.G.; Lee, Y.P.; Kravchenko, I.I. (Физика низких температур, 2000)
    Investigations of the critical current versus temperature and applied magnetic field were carried out for granular MoNx films. All sampels display a two-stage superconducting transition and can be treated as a percolating ...
  • Nonequilibrium plasmons and transport properties of a double-junction quantum wire 
    Kim, J.U.; Mahn-Soo Choi; Krive, I.V.; Kinaret, J.M. (Физика низких температур, 2006)
    We study theoretically the current-voltage characteristics, shot noise, and full counting statistics of a quantum wire double barrier structure. We model each wire segment by a spinless Luttinger liquid. Within the ...
  • Non-Fermi-liquid behavior: Exact results for ensembles of magnetic impurities 
    Zvyagin, A.A. (Физика низких температур, 2002)
    In this work we consider several exactly solvable models of magnetic impurities in critical quantum antiferromagnetic spin chains and multichannel Kondo impurities. Their ground state properties are studied and the finite ...
  • Non-isothermal physical and chemical processes in superfluid helium 
    Gordon, E.B.; Kulish, M.I.; Karabulin, A.V.; Matyushenko, V.I. (Физика низких температур, 2017)
    Metal atoms and small clusters introduced into superfluid helium (He II) concentrate there in quantized vortices to form (by further coagulation) the thin nanowires. The nanowires’ thickness and structure are well predicted ...
  • Nonlinear localized modes in complex chains and carbon nanotubes 
    Savin, A.; Kivshar, Yu.S. (Физика низких температур, 2008)
    We discuss the existence of spatially localized nonlinear modes in carbon nanotubes with different chiralities, and demonstrate that in nanotubes with the chirality index (m, 0) three types of localized modes can exist, ...
  • Novel laser based on magnetic tunneling 
    Kadigrobov, A.; Shekhter, R.I.; Jonson, M. (Физика низких температур, 2005)
    A new principle for a compact spin-based solid-state laser is proposed. It operates in the 1–100 THz regime, which is difficult to reach with small size lasers. Spin-flip processes in ferromagnetic conductors form a basis ...
  • On correlated heterogeneities of glass-forming liquids 
    Bakai, A.S. (Физика низких температур, 2002)
    The thermodynamics and structure of glass-forming liquids are considered within the framework of the heterophase fluctuation (HPF) model. The main goal of the theory developed is to fined for a description of the long-range ...
  • One-dimensional electron lattice system with a long-range interelectron repulsion on a disordered host lattice 
    Slutskin, A.A.; Kovtun, H.A. (Физика низких температур, 2005)
    We study what happens to generalized Wigner crystal, GWC (a regular structure formed by narrow-band electrons on a one-dimensional periodic host lattice), when there is a host lattice random distortion that does not break ...
  • One exactly solvable random spin-1/2 XY chain 
    Derzhko, O.V.; Verkholyak, T.M. (Физика низких температур, 1997)
    Considering one-dimensional spin-¹/₂ isotropic ХУ model with Dzyaloshinskii-Moriya interaction in random Lorentzian transverse field we have calculated exactly thermodynamic quantities ot the model. We used the derived ...
  • On the theory of carrier-induced ferromagnetism in diluted magnetic semiconductors 
    Semenov, Yu.G.; Ryabchenko, S.M. (Физика низких температур, 2000)
    Two different approaches (presented in the literature as alternative approximations) to the problem of carrier-induced ferromagnetism in the system of disordered magnetic ions of a diluted magnetic semiconductor are analyzed. ...
  • Optical surface modes in a system of fine metallic particles 
    Blank, A.Ya.; Garanina, L.V.; Grechko, L.G. (Физика низких температур, 1999)
    The interaction of electromagnetic radiation with a low-density disordered system of fine metallic particles located in a dielectric matrix is considered in a quasi-static approach with allowance for dipole-dipole interaction. ...
  • Overheating effect and hole-phonon interaction in SiGe heterostructures 
    Berkutov, I.B.; Andrievskii, V.V.; Komnik, Yu.F.; Myronov, M.; Mironov, O.A. (Физика низких температур, 2008)
    The effect of the charge carriers overheating in a two-dimensional (2D) hole gas in a Si1–xGex quantum well, where x = 0.13; 0.36; 0.8, 0.95, has been realized. The Shubnikov–de Haas (SdH) oscillation amplitude was used ...
  • O распространении акустических волн в квазидвумерных проводниках в квантующем магнитном поле 
    Кириченко, О.В.; Песчанский, В.Г.; Галбова, О.; Ивановски, Г.; Крстовска, Д. (Физика низких температур, 2003)
    Затухание акустических волн, распространяющихся перпендикулярно слоям квазидвумерного проводника, проанализировано при достаточно низких температурах, когда квантование энергии электронов проводимости приводит к осцилляционной ...

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