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Träfflista för sökning "WFRF:(Berman E) srt2:(2000-2004)"

Search: WFRF:(Berman E) > (2000-2004)

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3.
  • Berman, David S., et al. (author)
  • Holographic Noncommutativity
  • 2000
  • In: J. High Energy Phys. ; 05, s. 002-
  • Journal article (peer-reviewed)
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4.
  • Carlsson, FHC, et al. (author)
  • Neutron irradiation of 4H SiC
  • 2001
  • In: SILICON CARBIDE AND RELATED MATERIALS. - 0255-5476. ; 353, s. 555-558
  • Journal article (peer-reviewed)
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5.
  • Lozovik, Yurii E, et al. (author)
  • Superfluidity of indirect excitons and biexcitons in coupled quantum wells and superlattices
  • 2002
  • In: Journal of Physics. - : Iop Publishing Ltd. - 0953-8984 .- 1361-648X. ; 14:47, s. 12457-12475
  • Journal article (peer-reviewed)abstract
    • The collective properties of indirect excitons in coupled quantum wells (CQWs) are considered. The energy of the ground state of the exciton liquid as a function of the density of electrons a and holes h at different separations D between a and h layers is analysed. The quantum gas-liquid transition as D decreases is studied. The superfluidity appearance temperatures in the system (Kosterlitz-Thouless transition temperatures) have been estimated at different separations D between a and h layers. For the anisotropic two-dimensional e-h system in CQWs the Mott metal-insulator quantum transition is considered. The instability of the ground state of the system of interacting two-dimensional indirect excitons in a slab of superlattice with alternating a and h layers is established. The stable system of indirect quasi-two-dimensional biexcitons, consisting of indirect excitons with opposite directed dipole moments, is considered. The radius and the binding energy of the indirect biexciton are calculated. The collective spectrum of a rare system of two-dimensional indirect biexcitons, interacting as electrical quadrupoles, is studied. The density of the superfluid component n(s) (T) and the Kosterlitz-Thouless phase transition to the superfluid state in this system are analysed.
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