Электронный архив

Просмотр по автору "Bertaina S."

Просмотр по автору "Bertaina S."

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  • Coherent spin manipulations in Yb3+: CaWO4 at X - And W -band EPR frequencies 
    Rakhmatullin R.; Kurkin I.; Mamin G.; Orlinskii S.; Gafurov M.; Baibekov E.; Malkin B.; Gambarelli S.; Bertaina S.; Barbara B. (2009)
    Coherent spin dynamics of impurity Yb3+ ions in the CaWO4 single crystal has been studied using X - and W -band EPR. Rabi oscillations of the sample magnetization with damping times comparable to their period, driven by ...
  • Cross-relaxation and phonon bottleneck effects on magnetization dynamics in LiY F4: Ho3+ 
    Bertaina S.; Barbara B.; Giraud R.; Malkin B.; Vanuynin M.; Pominov A.; Stolov A.; Tkachuk A. (2006)
    Frequency and dc magnetic field dependences of dynamic susceptibility in diluted paramagnets LiY F4: Ho3+ have been measured at liquid helium temperatures in ac and dc magnetic fields parallel to the symmetry axis of a ...
  • Decoherence window and electron-nuclear cross relaxation in the molecular magnet V 15 
    Shim J.; Bertaina S.; Gambarelli S.; Mitra T.; Müller A.; Baibekov E.; Malkin B.; Tsukerblat B.; Barbara B. (2012)
    Rabi oscillations in the V 15 single molecule magnet embedded in the surfactant (CH 3) 2[CH 3(CH 2) 16CH 2] 2N + have been studied at different microwave powers. An intense damping peak is observed when the Rabi frequency ...
  • Environmental effects on quantum relaxation and coherent dynamics in rare-earths ions 
    Barbara B.; Bertaina S.; Gambarelli S.; Giraud R.; Stepanov A.; Malkin B.; Tkachuk A. (2007)
    This work provides new developments of the field of spin dynamics in mesoscopic systems. We first discuss, by a few examples, how environmental degrees of freedom affect tunneling and subsequent slow quantum relaxation of ...
  • Rare-earth solid-state qubits 
    Bertaina S.; Gambarelli S.; Tkachuk A.; Kurkin I.; Malkin B.; Stepanov A.; Barbara B. (2007)
    Quantum bits (qubits) are the basic building blocks of any quantum computer. Superconducting qubits have been created with a top-down approach that integrates superconducting devices into macroscopic electrical circuits, ...
  • Relaxation rates of magnetization in LiYF4:Ho3+ crystals 
    Malkin B.; Vanyunin M.; Barbara B.; Bertaina S. (2008)
    Theory of magnetization relaxation in a diluted paramagnet based on calculations of relaxation rates due to electron-phonon coupling and magnetic dipole-dipole interactions is developed. Assuming fast establishment of ...
  • Spin-Orbit qubits of rare-Earth-Metal ions in axially symmetric crystal fields 
    Bertaina S.; Shim J.; Gambarelli S.; Malkin B.; Barbara B. (2009)
    Contrary to the well-known spin qubits, rare-earth-metal qubits are characterized by a strong influence of crystal field due to large spin-orbit coupling. At low temperature and in the presence of resonance microwaves, it ...

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