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Large quantum superpositions of a levitated nanodiamond through spin-optomechanical coupling
Large quantum superpositions levitated nanodiamond spin-optomechanical coupling
2016/1/23
We propose a method to generate and detect large quantum superposition states and arbitrary Fock states for the oscillational mode of an optically levitated nanocrystal diamond. The nonlinear interact...
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
2012/2/27
Dynamical magnetic and nuclear polarization in complex spin systems is discussed on the example of transfer of spin from exciton to the central spin of magnetic impurity in a quantum dot in the presen...
Tuning electron spin lattices by the nonparaxial Talbot effect
electron spin nonparaxial Talbot effect
2010/11/17
We propose a spin polarized Talbot effect for an electron beam scattered from a grating of magnetic nanostructures. Existing periodic magnetic nanostructures can be used in conjunction with electron-b...
Two-spin dephasing by electron-phonon interaction in semiconductor double quantum dots
Two-spin dephasing electron-phonon interaction semiconductor double quantum dots
2010/11/11
We study electron-phonon interaction induced decoherence between two-electron singlet and triplet states in a semiconductor double quantum dot using a spin-boson model. We investigate the onset and ti...
The qubit states decoherence in antiferromagnet-based nuclear spin model of quantum register
Easy-axis antiferromagnet decoherence indirect coupling inhomogeneous magnetic field nu-clear spin quantum register and qubit
2010/3/10
This study deals with the further development of nuclear spin model of scalable quantum register, which presents the one-dimensional chain of the magnetic atoms with nuclear spins 1/2, substituting th...
Spin Correlation Effects in Top Quark Pair Production at the LHC
Large Hadron Collider Spin Correlation Top Quark Pair Production
2010/3/15
At a 14 TeV proton-proton collider, the Large Hadron Collider (LHC), we show that top quark pair production is dominated at low invariant mass by the fusion of two like-helicity gluons, producing top ...
Electron Spin-Phonon Relaxation in Quantum Dots
Electron Spin-Phonon Relaxation Quantum Dots
2010/10/22
We calculate the spin relaxation rates in parabolic quantum dots due to the phonon modulation of the spin-orbit interaction in presence of an external magnetic field. Both, deformation potential (DP) ...
It is substantiated that spin is a notion associated with the group of internal symmetry that is tightly connected with the geometrical structure of spacetime. The wave equation for the description of...