Электронный архив

Просмотр по автору "Kochelaev B."

Просмотр по автору "Kochelaev B."

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  • Spin-phonon interaction and the EPR linewidth in La2CuO4 and related cuprates 
    Kochelaev B. (1999)
    The spin-phonon interaction is derived for Cu2+ ions strongly coupled by the Isotropic exchange interaction. It is shown that in a two-dimensional quantum Heisenberg antiferromagnetic this interaction due to its antisymmetric ...
  • Spin-wave excitations of paramagnetic impurities in superconductors 
    Khaliullin G.; Kochelaev B. (1984)
    The existence of spin-wave excitations of paramagnetic impurities in a superconductor in an external magnetic field due to the long-range exchange interactions is predicted. The damping has been calculated and possible ...
  • Structural and magnetic properties of CuSb2O6 probed by ESR 
    Heinrich M.; Krug von Nidda H.; Krimmel A.; Loidl A.; Eremina R.; Ineev A.; Kochelaev B.; Prokofiev A.; Assmus W. (2003)
    A detailed electron-spin-resonance (ESR) investigation is performed in the one-dimensional magnet CuSb2O6 on both single crystals and polycrystals. Angular-dependent ESR data on the single crystal are interpreted in terms ...
  • Three-spin-polarons and their elastic interaction in cuprates 
    Kochelaev B.; Safina A.; Shengelaya A.; Keller H.; Müller K.; Conder K. (2003)
    Properties of quasiparticles in doped cuprates formed by an oxygen hole and two adjacent copper holes are investigated on the basis of the extended Hubbard model. The ground state energy, wave functions and the polaron-phonon ...
  • Tilting mode relaxation and oxygen isotope effect in La 2-xSrxCuO4 studied by electron paramagnetic resonance 
    Shengelaya A.; Keller H.; Müller K.; Kochelaev B.; Conder K. (2000)
    The electron paramegnetic resonance (EPR) of Mn2+ doped into La2-xSrxCuO4 was used to probe the copper spin relaxation via the bottleneck effect for oxygen isotope (16O and 18O)-substituted samples. It was found that the ...
  • Why could electron spin resonance be observed in a heavy fermion Kondo lattice? 
    Kochelaev B.; Belov S.; Skvortsova A.; Kutuzov A.; Sichelschmidt J.; Wykhoff J.; Geibel C.; Steglich F. (2009)
    We develop a theoretical basis for understanding the spin relaxation processes in Kondo lattice systems with heavy fermions as experimentally observed by electron spin resonance (ESR). The Kondo effect leads to a common ...

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