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Spin polarization in the Hubbard model with Rashba spin-orbit coupling on a ladder
(American Physical Society, 2013-07)
The competition between on-site Coulomb repulsion and Rashba spin-orbit coupling (RSOC) is studied on two-leg ladders by numerical techniques. By studying persistent currents in closed rings by exact diagonalization, it ...
Two-Electron-Spin Ratchets as a Platform for Microwave-Free Dynamic Nuclear Polarization of Arbitrary Material Targets
(American Chemical Society, 2019-04-18)
Optically pumped color centers in semiconductor powders can potentially induce high levels of nuclear spin polarization in surrounding solids or fluids at or near ambient conditions, but complications stemming from the ...
Pure spin current manipulation in antiferromagnetically exchange coupled heterostructures
(American Institute of Physics, 2018-03-28)
We present a model to describe the spin currents generated by ferromagnet/spacer/ferromagnet exchange coupled trilayer systems and heavy metal layers with strong spin-orbit coupling. By exploiting the magnitude of the ...
Signatures of a quantum dynamical phase transition in a three-spin system in presence of a spin environment
(Elsevier Science, 2007-12)
We have observed an environmentally induced quantum dynamical phase transition in the dynamics of a two-spin experimental swapping gate [G.A. Álvarez, E.P. Danieli, P.R. Levstein, H.M. Pastawski, J. Chem. Phys. 124 (2006) ...
Fukui and dual-descriptor matrices within the framework of spin-polarized density functional theory
(Royal Society of Chemistry, 2013-04-19)
This work deals with the Fukui and dual reactivity descriptors within the framework of the spinpolarized density functional theory. The first and second derivatives of the electron density and the spin density with respect ...
Electrically controlled nuclear polarization of individual atoms
(Nature Publishing Group, 2018-12)
Nuclear spins serve as sensitive probes in chemistry1 and materials science2 and are promising candidates for quantum information processing3–6. NMR, the resonant control of nuclear spins, is a powerful tool for probing ...
Spin pumping and inverse spin Hall effect in antiferromagnetic exchange coupled [Co/Ru/Co]/Pt heterostructures
(American Institute of Physics, 2017-01)
We report the observation of spin pumping and inverse spin Hall effects in antiferromagnetically coupled [Co/Ru/Co]/Pt heterostructures. The “spin-flop” magnetization process observed in antiferromagnetically exchange ...
Many-spin quantum dynamics during cross polarization in 8CB
(American Institute of Physics, 2003-12)
We analyze theoretically and experimentally the quantum dynamics of a three-spin-1/2 system during cross polarization (CP). Our analysis takes into account a Hamiltonian behavior for a carbon C-13 coupled to two protons ...
Quantum dynamics under coherent and incoherent effects of a spin bath in the Keldysh formalism: Application to a spin swapping operation
(Elsevier Science, 2005-12)
We develop the Keldysh formalism for the polarization dynamics of an open spin system. We apply it to the swapping between two qubit states in a model describing an NMR cross-polarization experiment. The environment is a ...
Evidence for Polarization of Gluons in the Proton
(American Physical Society, 2014-07)
We discuss the impact of recent high-statistics Relativistic Heavy Ion Collider data on the determination of the gluon polarization in the proton in the context of a global QCD analysis of polarized parton distributions. ...