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Spin-orbit coupling plays an important role in determining the properties of solids, and is crucial for spintronics device applications. Conventional spin-orbit coupling arises microscopically from relativistic effects described by the…

强关联电子 · 物理学 2007-05-23 Congjun Wu , Shou-Cheng Zhang

The spin-orbit coupling in the absence of spatial inversion symmetry plays an important role in realizing intriguing electronic states in solids, such as topological insulators and unconventional superconductivity. Usually, the inversion…

强关联电子 · 物理学 2016-08-24 Satoru Hayami , Hiroaki Kusunose , Yukitoshi Motome

Spin-orbit coupling links a particle's velocity to its quantum mechanical spin, and is essential in numerous condensed matter phenomena, including topological insulators and Majorana fermions. In solid-state materials, spin-orbit coupling…

量子气体 · 物理学 2013-12-12 Victor Galitski , Ian B. Spielman

``Unconventional magnetism" was proposed to describe the exotic states arising from Landau-Pomeranchuk instabilities in the spin channel nearly two decades ago. Its odd-partial-wave-channel (e.g. $p$-wave) states break parity giving rise to…

强关联电子 · 物理学 2025-04-22 Jian-Keng Yuan , Zhiming Pan , Congjun Wu

Supersolid, a fascinating quantum state of matter, features novel phenomena such as the non-classical rotational inertia and transport anomalies. It is a long standing issue of the coexistence of superfluidity and broken translational…

量子气体 · 物理学 2020-09-23 Huan Wang , Shuai Li , Xiaoling Cui , Bo Liu

We address evolution of a spinor polariton condensate in radially periodic potentials. Such potentials allow for the observation of novel nonlinear excitations and support a variety of dynamically stable soliton states never demonstrated…

介观与纳米尺度物理 · 物理学 2019-03-13 Dmitry A. Zezyulin , Yaroslav V. Kartashov , Dmitry V. Skryabin , Ivan A. Shelykh

We study the ground-state density profile of a spin-orbit coupled $f=2$ spinor condensate in a quasi-one-dimensional trap. The Hamiltonian of the system is invariant under time reversal but not under parity. We identify different parity-…

量子气体 · 物理学 2015-02-18 Sandeep Gautam , S. K. Adhikari

Spin-orbit coupling is a single-particle phenomenon known to generate topological order, and electron-electron interactions cause ordered many-body phases to exist. The rich interplay of these two mechanisms is present in a broad range of…

介观与纳米尺度物理 · 物理学 2017-12-20 Weizhe Edward Liu , Stefano Chesi , David Webb , U. Zuelicke , R. Winkler , Robert Joynt , Dimitrie Culcer

To clarify a crucial role of a spin-orbit coupling in the emergence of novel spin-orbital states in $5d$-electron compounds such as Sr$_{2}$IrO$_{4}$, we investigate ground state properties of a $t_{\rm 2g}$-orbital Hubbard model on a…

强关联电子 · 物理学 2015-06-17 Hiroaki Onishi

Determination of the orbital symmetry of a state in spin triplet Sr$_2$RuO$_4$ superconductor is a challenge of considerable importance. Most of the experiments show that the chiral state of the $\hat{z} (k_x \pm ik_y)$ type is realized and…

超导电性 · 物理学 2013-05-29 James F. Annett , G. Litak , B. L. Gyorffy , K. I. Wysokinski

Strong interest has arisen recently on low-dimensional systems with strong spin-orbit interaction due to their peculiar properties of interest for some spintronic applications. Here, the time evolution of the electron spin polarization of a…

介观与纳米尺度物理 · 物理学 2009-11-11 C. Grimaldi

We study the effect of spin-orbit interaction on one-dimensional U(1)-invariant frustrated magnets with dominant critical nematic fluctuations. The spin-orbit coupling explicitly breaks the U(1) symmetry of arbitrary global spin rotations…

强关联电子 · 物理学 2017-12-19 Shang-Shun Zhang , Nitin Kaushal , Elbio Dagotto , Cristian D. Batista

Pair spin-orbit interaction can emerge in strongly-interacting systems characterized by a large spin-orbit coupling. Here we study the role of this interaction in stabilizing ordered and unconventional superconducting phases. We find that,…

超导电性 · 物理学 2025-07-30 Feng Liu , Alessandro Principi

It has been suggested that the metal-insulator transitions in a number of spinel materials with partially-filled t_2g d-orbitals can be explained as orbitally-driven Peierls instabilities. Motivated by these suggestions, we examine…

强关联电子 · 物理学 2014-07-28 R. T. Clay , H. Li , S. Sarkar , S. Mazumdar , T. Saha-Dasgupta

Using x-ray absorption spectroscopy at the Ru-$L_{2,3}$ edge we reveal that the Ru$^{4+}$ ions remain in the $S$=1 spin state across the rare 4d-orbital ordering transition and spin-gap formation. We find using local spin density…

We propose a method for the emulation of artificial spin orbit coupling in a system of ultracold, neutral atoms trapped in a tight-binding lattice. This scheme does not involve near-resonant laser fields, avoiding the heating processes…

量子气体 · 物理学 2014-09-24 Julian Struck , Juliette Simonet , Klaus Sengstock

We consider a trapped atomic system in the presence of spatially varying laser fields. The laser-atom interaction generates a pseudospin degree of freedom (referred to simply as spin) and leads to an effective spin-orbit coupling for the…

其他凝聚态物理 · 物理学 2007-12-18 Tudor D. Stanescu , Chuanwei Zhang , Victor Galitski

Focusing on the efficient probe and manipulation of single-particle spin states, we investigate the coupled spin and orbital dynamics of a spin 1/2 particle in a harmonic potential subject to ultrastrong spin-orbit interaction and external…

介观与纳米尺度物理 · 物理学 2014-01-21 C. Echeverria-Arrondo , E. Ya. Sherman

We discuss the low energy theory of two-dimensional metals near the onset of spin density wave order. It is well known that such a metal has a superconducting instability induced by the formation of spin-singlet pairs of electrons, with the…

超导电性 · 物理学 2010-11-02 Max A. Metlitski , Subir Sachdev

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…

介观与纳米尺度物理 · 物理学 2018-07-23 Takumi Funato , Hiroshi Kohno
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