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We study an effective one-dimensional quantum model that includes friction and spin-orbit coupling (SOC), and show that the model exhibits spin polarization when both terms are finite. Most important, strong spin polarization can be…

Mesoscale and Nanoscale Physics · Physics 2021-07-29 Artem G. Volosniev , Hen Alpern , Yossi Paltiel , Oded Millo , Mikhail Lemeshko , Areg Ghazaryan

Interatomic hopping mediated by spin-orbit coupling (SOC) entangles spin, orbital and sublattice degrees of freedom of electrons, leading to the emergence of intriguing phenomena such as novel topological insulators and exotic…

Materials Science · Physics 2024-07-16 Masaki Kato , Masao Ogata

We present a new model for the study of spin-orbit coupling in interacting quasi-one-dimensional systems and solve it exactly to find the spectral properties of such systems. We show that the combination of spin-orbit coupling and…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. V. Moroz , K. V. Samokhin , C. H. W. Barnes

The control and active manipulation of spin-orbit coupling (SOC) in photonic systems is fundamental in the development of modern spin optics and topological photonic devices. Here, we demonstrate the control of an artificial…

There is an immense effort in search for various types of Weyl semimetals, of which the most fundamental phase consists of the minimal number of i.e. two Weyl points, but is hard to engineer in solids. Here we demonstrate how such…

Quantum Gases · Physics 2020-11-11 Yue-Hui Lu , Bao-Zong Wang , Xiong-Jun Liu

We theoretically explore the tunneling dynamics for the tight-binding (TB) model of a single spin-orbit-coupled atom trapped in an optical lattice subjected to lattice shaking and to time-periodic Zeeman field. By means of analytical and…

Quantum Gases · Physics 2021-04-14 Xiaobing Luo , Zhao-Yun Zeng , Yu Guo , Baiyuan Yang , Jinpeng Xiao , Lei Li , Chao Kong , Ai-Xi Chen

The recent experimental realization of spin-orbit coupling (SOC) for ultra-cold atoms opens a completely new avenue for exploring new quantum matter. In experiments, the SOC is implemented simultaneously with a Zeeman field. Such spin-orbit…

Quantum Gases · Physics 2014-05-29 Chunlei Qu , Ming Gong , Chuanwei Zhang

We investigate the single-particle and collective excitations of a Rashba spin-orbit coupled atomic Fermi gas with attractive interaction, loaded in a two dimensional (2D) square optical lattice, in the presence of an effective out-of-plane…

Strongly Correlated Electrons · Physics 2017-04-05 Zlatko Koinov , Shanna Pahl

We present two schemes for driving Raman transitions between the ground state hyperfine manifolds of a single atom trapped within a high-finesse optical cavity. In both schemes, the Raman coupling is generated by standing-wave fields inside…

Quantum Physics · Physics 2008-07-08 A. D. Boozer

Spin-orbit coupling (SOC), the intrinsic interaction between a particle spin and its motion, is responsible for various important phenomena, ranging from atomic fine structure to topological condensed matter physics. The recent experimental…

Quantum Gases · Physics 2013-07-05 Yongping Zhang , Gang Chen , Chuanwei Zhang

We developed a resolved Raman sideband cooling scheme that can efficiently prepare a single optically trapped cesium (Cs) atom in its motional ground states. A two-photon Raman process between two outermost Zeeman sublevels in a single…

The recent experimental realization of spin-orbit (SO) coupling for ultracold bosons and fermions opens an exciting avenue for engineering quantum matter that may be challenging to realize in solid state materials such as SO coupled spin-1…

Quantum Gases · Physics 2020-05-13 Junpeng Hou , Haiping Hu , Chuanwei Zhang

In this paper we investigate the properties of Bose gases with Raman-induced spin-orbit(SO) coupling. It is found that the SO coupling can greatly modify the single particle density-of-state, and thus lead to non-monotonic behavior of the…

Quantum Gases · Physics 2015-06-12 Wei Zheng , Zeng-Qiang Yu , Xiaoling Cui , Hui Zhai

We present numerical results for three-dimensional (3D) solitons with symmetries of the semi-vortex (SV) and mixed-mode (MM) types, which can be created in spinor Bose-Einstein condensates of Rydberg atoms under the action of the spin-orbit…

Quantum Gases · Physics 2023-11-02 Yuan Zhao , Heng-Jie Hu , Qian-Qian Zhou , Zhang-Cai Qiu , Li Xue , Si-Liu Xu , Qin Zhou , Boris A. Malomed

A method of sideband Raman cooling to the vibrational ground state of the $m=0$ Zeeman sublevel in a far-detuned two-dimensional optical lattice is proposed. In our scheme, the Raman coupling between vibrational manifolds of the adjacent…

Atomic Physics · Physics 2007-05-23 A. V. Taichenachev , A. M. Tumaikin , V. I. Yudin , L. Hollberg

We introduce a scheme for creating continuous variable entanglement between an atomic beam and an optical field, by using squeezed light to outcouple atoms from a BEC via a Raman transition. We model the full multimode dynamics of the atom…

Quantum Physics · Physics 2009-11-13 S. A. Haine , M. K. Olsen , J. J. Hope

We study the contacts, large-momentum tail, radio-frequency spectroscopy, and some other universal relations for an ultracold one-dimensional (1D) two-component Fermi gas with spin-orbit coupling (SOC). Different from previous studies, we…

Quantum Gases · Physics 2020-06-26 Fang Qin , Pengfei Zhang , Peng-Lu Zhao

Quantum information protocols utilizing atomic ensembles require preparation of a coherent spin state (CSS) of the ensemble as an important starting point. We investigate the magneto-optical resonance method for characterizing a spin state…

Quantum Physics · Physics 2009-11-10 B. Julsgaard , J. Sherson , J. L. Sorensen , E. S. Polzik

Anderson localization is a single particle localization phenomena in disordered media that is accompanied by an absence of diffusion. Spin-orbit coupling (SOC) describes an interaction between a particle's spin and its momentum that…

Quantum Gases · Physics 2020-09-23 Y. Yue , C. A. R. Sá de Melo , I. B. Spielman

We investigate the physics of a gas of ultracold atoms coupled to three single-mode optical cavities and transversely pumped with a laser. Recent work has demonstrated that, for two cavities, the $\mathbb{Z}_{2}$ symmetries of each cavity…

Quantum Gases · Physics 2018-08-22 Ezequiel Rodríguez Chiacchio , Andreas Nunnenkamp
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