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A coexistent phase of spin polarization and color superconductivity in high-density QCD is studied at zero temperature. The axial-vector self-energy stemming from the Fock exchange term of the one-gluon-exchange interaction has a central…

高能物理 - 唯象学 · 物理学 2008-11-26 Toshitaka Tatsumi , Tomoyuki Maruyama , Eiji Nakano

We show that the joint effect of spin-orbit and magnetic fields leads to a spin polarization perpendicular to the plane of a two-dimensional electron system with Rashba spin-orbit coupling and in-plane parallel dc magnetic and electric…

介观与纳米尺度物理 · 物理学 2007-05-23 Hans-Andreas Engel , Emmanuel I. Rashba , Bertrand I. Halperin

Spin transport in superconductors offers a compelling platform to merge the dissipationless nature of superconductivity with the functional promise of spin-based electronics. A significant challenge in achieving spin polarisation in…

介观与纳米尺度物理 · 物理学 2025-05-19 Aleix Barrera , Huidong Li , Thomas Gunkel , Jordi Alcalà , Silvia Damerio , Can Onur Avci , Anna Palau

We analyse the appearance of a mechanical torque that acts on a chiral molecule: a single-stranded DNA, in which the spin-orbit interaction is expected to induce a spin-selectivity effect. The mechanical torque is shown to appear as a…

介观与纳米尺度物理 · 物理学 2019-05-22 N. Sasao , H. Okada , Y. Utsumi , O. Entin-Wohlman , A. Aharony

By using the Nambu-Jona-Lasinio model with a tensor-type four-point interaction between quarks, it is shown that there exists a possibility of a spin polarized phase in quark matter at finite temperature and density. When there exists the…

高能物理 - 唯象学 · 物理学 2017-03-14 Y. Tsue , J. da Providencia , C. Providencia , H. Matsuoka , M. Yamamura , H. Bohr

We show that superconducting correlations in the presence of non-zero condensate velocity can mediate the peculiar interaction between localized spins that breaks the global inversion symmetry of magnetic moments. The proposed interaction…

超导电性 · 物理学 2018-11-26 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

We investigate the effect of strong spin-orbit interaction on the electronic transport through non-magnetic impurities in one-dimensional systems. When a perpendicular magnetic field is applied, the electron spin polarization becomes…

材料科学 · 物理学 2007-05-23 R. G. Pereira , E. Miranda

Highly spin selective transport of electrons through a helically shaped electrostatic potential is demonstrated in the frame of a minimal model approach. The effect is significant even in the case of weak spin-orbit coupling. Two main…

介观与纳米尺度物理 · 物理学 2015-05-30 R. Gutierrez , E. Diaz , R. Naaman , G. Cuniberti

We study the longitudinal spin polarization of a relativistic fluid of massive spin-1/2 particles undergoing a boost-invariant expansion in the longitudinal direction and rotating in the transverse plane. We express the polarization vector…

核理论 · 物理学 2025-03-18 Nora Weickgenannt , Jean-Paul Blaizot

Here, it is suggested that a four-point interaction of the tensor type may lead to spin polarization in quark matter at high density. It is found that the two-flavor superconducting phase and the spin polarized phase correspond to distinct…

核理论 · 物理学 2014-05-07 Y. Tsue , J. da Providencia , C. Providencia , M. Yamamura , H. Bohr

Quasi-optical experiments are emerging as a powerful technique to probe magnetic transitions in molecular spin systems. However, the simultaneous presence of the electric- and magnetic-dipole induced transitions poses the challenge of…

介观与纳米尺度物理 · 物理学 2026-02-10 Filippo Troiani , Athanassios K. Boudalis

The Rashba effect is one of the most striking manifestations of spin-orbit coupling in solids, and provides a cornerstone for the burgeoning field of semiconductor spintronics. It is typically assumed to manifest as a momentum-dependent…

We study the effect of strong spin-orbit coupling (SOC) on bound states induced by impurities in superconductors. The presence of spin-orbit coupling breaks the $\mathbb{SU}(2)$-spin symmetry and causes the superconducting order parameter…

超导电性 · 物理学 2015-06-15 Younghyun Kim , Junhua Zhang , E. Rossi , Roman M. Lutchyn

Spin polarized transport through a quantum dot coupled to ferromagnetic electrodes with noncollinear magnetizations is discussed in terms of nonequilibrium Green functions formalism in the finite-U slave boson mean field approximation. The…

介观与纳米尺度物理 · 物理学 2021-12-10 D. Krychowski , S. Lipiński

We study spin polarization induced by locally injected electric currents in a metal whose spin--orbit coupling reflects its structural chirality. We reveal both spin polarization in the bulk in the linear response and antiparallel spin…

We investigate the physical mechanisms for achieving an electrical control of conventional spin-singlet superconductivity in thin films by focusing on the role of surface orbital polarization. Assuming a multi-orbital description of the…

超导电性 · 物理学 2020-09-18 Maria Teresa Mercaldo , Paolo Solinas , Francesco Giazotto , Mario Cuoco

We consider ballistic transport through a lateral, two-dimensional superlattice with experimentally realizable, sinusoidally oscillating Rashba-type spin-orbit interaction. The periodic structure of the rectangular lattice produces a…

介观与纳米尺度物理 · 物理学 2015-02-23 Viktor Szaszkó-Bogár , F. M. Peeters , Péter Földi

Magnetic properties of quark matter and its relation to the microscopic origin of the magnetic field observed in compact stars are studied. Spontaneous spin polarization appears in high-density region due to the Fock exchange term, which…

高能物理 - 唯象学 · 物理学 2007-05-23 T. Tatsumi , E. Nakano , K. Nawa

Evolution of the z-component of a single spin in the finite cyclic XY spin 1/2 chain is studied. Initially one selected spin is polarized while other spins are completely unpolarized and uncorrelated. Polarization of the selected spin as a…

量子物理 · 物理学 2013-04-17 Evgeniy Safonov , Oleg Lychkovskiy

Intermediate-energy heavy-ion collisions can produce a spin polarization of the projectile-like species. Spin polarization has been observed for both nucleon removal and nucleon pickup processes. Qualitative agreement with measured spin…