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We investigate the spin-current absorption induced by an inhomogeneous spin-orbit coupling due to impurities in metals. We consider the system with spin currents driven by the electric field or the spin accumulation. The resulting diffusive…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Kazuhiro Tsutsui , Kazuhiro Hosono , Takehito Yokoyama

We withdraw the paper because the results are wrong.

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ye Xiong , X. C. Xie

We build two-dimensional quantum field theories on spin surfaces starting from theories on oriented surfaces with networks of topological defect lines and junctions. The construction uses a combinatorial description of the spin structure in…

High Energy Physics - Theory · Physics 2015-06-26 Sebastian Novak , Ingo Runkel

The coupling of the spin of electrons to their motional state lies at the heart of recently discovered topological phases of matter. Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum…

The spin-orbit couplings (SOCs) of hydrogenated and fluorinated graphenes are calculated from the first principles method. It is found that the SOC-induced band splittings near their Fermi energies can be significantly enhanced to the order…

Mesoscale and Nanoscale Physics · Physics 2016-08-19 Jian Zhou , Qifeng Liang , Jinming Dong

With octahedrally coordinated $t_{\rm 2g}$ orbitals which are active at filling $n=2$, the $\rm Sr_2CrO_4$ compound exhibits rich interplay of spin-orbital physics with tetragonal distortion induced crystal field tuning by external agent…

Strongly Correlated Electrons · Physics 2022-10-20 Shubhajyoti Mohapatra , Dheeraj Kumar Singh , Avinash Singh

We consider the general framework of perturbative quantum field theory for the pure Yang-Mills model developped in [10] and consider the coupling with spin 3/2 particles. We will derive the most general form of the interaction with pure…

High Energy Physics - Theory · Physics 2023-04-26 Dan-Radu Grigore

The theory of triplet superconductivity in ferromagnetic metals based on electron-electron interaction by spin fluctuation exchange is developed. The equations for the upper critical field temperature dependence are derived. In contrast to…

Superconductivity · Physics 2020-06-24 V. P. Mineev

Starting from microscopic and symmetry considerations, we derive the Hamiltonian describing the exchange interaction between the localized Mn spins and the valence band holes in $Ga_{1-x}Mn_x As$. We find that due to the strong spin-orbit…

Strongly Correlated Electrons · Physics 2007-05-23 Gergely Zarand , Boldizsar Janko

Weak localization corrections to conductivity of ferromagnetic systems are studied theoretically in the case when spin-orbit interaction plays a significant role. Two cases are analyzed in detail: (i) the case when the spin-orbit…

Materials Science · Physics 2009-11-07 V. K. Dugaev , P. Bruno , J. Barnas

In this comment, we emphasize that the self-consistent spin wave theory in a recent paper [J. K"onig, H.-H. Lin, and A. H. MacDonald, Phys. Rev. Lett. 84, 5628 (2000)] leads to incorrect results both at low temperatures and near T_c. Thus…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Min-Fong Yang , Shih-Jye Sun , Ming-Che Chang

We report a first principles computational analysis of two phonon-mediated superconductors, In$_{5}$Bi$_{3}$ and In$_{5}$Sb$_{3}$. We show that spin-orbit coupling leads to splitting of electron bands around the Fermi energy, resulting in a…

Superconductivity · Physics 2024-10-29 Yao Wei , Siyu Chen , Bartomeu Monserrat

We calculate the correction to the conductivity of a disordered ferromagnetic metal due to spin-wave-mediated electron--electron interactions. This correction is the generalization of the Altshuler-Aronov correction to spin-wave-mediated…

Mesoscale and Nanoscale Physics · Physics 2014-07-16 Jeroen Danon , Alessandro Ricottone , Piet W. Brouwer

In this work, we study the universal relations for one-dimensional spin-orbital-coupled fermions near both $s$- and $p$-wave resonances using effective field theory. Since the spin-orbital coupling mixes different partial waves, a contact…

Quantum Gases · Physics 2020-10-21 Fang Qin , Pengfei Zhang

The degree of entanglement between two spins may change due to interaction. About this we find that a wrong result in a recent work by Ge and Wadati [Phys. Rev. A {\bf72}, 052101(2005)] which breach the basic principle.

Quantum Physics · Physics 2009-11-13 Yang Xiang , Shi-Jie Xiong

The correlated motion of electrons in the presence of strong orbital fluctuations and correlations is investigated with respect to magnetic couplings and excitations in an orbitally degenerate ferromagnet. Introduction of the orbital degree…

Strongly Correlated Electrons · Physics 2015-05-14 Dheeraj Kumar Singh , Bhaskar Kamble , Avinash Singh

Motivated by the recent success in describing the spin and orbital spectrum of a spin-orbital chain using a large-N mean-field approximation [Phys. Rev. B 91, 165102 (2015)], we apply the same formalism to the case of a spin chain in the…

Strongly Correlated Electrons · Physics 2015-04-07 Krzysztof Wohlfeld , Cheng-Chien Chen , Michel van Veenendaal , Thomas P. Devereaux

Spin accumulation is a crucial but imprecise concept in spintronics. In metal-based spintronics it is characterized in terms of semiclassical distribution functions. In semiconductors with a strong spin-orbit coupling the spin accumulation…

Mesoscale and Nanoscale Physics · Physics 2009-03-10 Henri Saarikoski , Gerrit E. W. Bauer

Generation of spin current from lattice distortion dynamics in metals is studied with special attention on the effect of spin-orbit coupling. Treating the lattice distortion by local coordinate transformation, we calculate spin current and…

Mesoscale and Nanoscale Physics · Physics 2018-07-23 Takumi Funato , Hiroshi Kohno

Spin-orbit coupling in crystals is known to lead to unusual direction dependent exchange interactions, however understanding of the consequeces of such effects in molecular crystals is incomplete. Here we perform four component relativistic…

Strongly Correlated Electrons · Physics 2017-04-19 A. C. Jacko , A. L. Khosla , J. Merino , B. J. Powell