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Recent experimental breakthroughs, particularly for single-qubit and two-qubit gates exceeding the error correction threshold, highlight silicon spin qubits as leading candidates for fault-tolerant quantum computation. In the existing…

Mesoscale and Nanoscale Physics · Physics 2023-10-30 Ranran Cai , Fang-Ge Li , Bao-Chuan Wang , Hai-Ou Li , Gang Cao , Guo-Ping Guo

We study the effects of the spin orbit interaction (SOI) of light in an optical trap and show that the propagation of the tightly focused trapping beam in a stratified medium can lead to significantly enhanced SOI. For a plane polarized…

Recent theoretical and experimental works on carbon nanotubes (CNTs) have revealed that spin-orbit interaction (SOI) is more robust than it was thought. Motivated by this, we investigate the SOI in helically coiled CNTs. Calculations are…

Mesoscale and Nanoscale Physics · Physics 2014-03-03 Ning Ma , Daqing Liu , Vei Wang , Erhu Zhang , Shengli Zhang

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…

Other Condensed Matter · Physics 2007-12-18 Tudor D. Stanescu , Chuanwei Zhang , Victor Galitski

Spin-orbit coupling (SOC) is at the heart of many exotic band-structures and can give rise to many-body states with topological order. Here we present a general scheme based on a combination of microwave driving and lattice shaking for the…

Quantum Gases · Physics 2017-06-28 Fabian Grusdt , Tracy Li , Immanuel Bloch , Eugene Demler

Mapping the physical dipolar Hamiltonian of a solid-state network of nuclear spins onto a system of nearest-neighbor couplings would be extremely useful for a variety of quantum information processing applications, as well as NMR structural…

In this work, we study magnon-magnon coupling in synthetic antiferromagnets (SyAFs) using microwave spectroscopy at room temperature. Two distinct spin-wave modes are clearly observed and are hybridised at degeneracy points. We provide a…

Materials Science · Physics 2020-09-16 A. Sud , C. W. Zollitsch , A. Kamimaki , T. Dion , S. Khan , S. Iihama , S. Mizukami , H. Kurebayashi

This paper investigates the complex nonlinear dynamics of an optomechanical system featuring an optical cavity coupled to two mechanical resonators interconnected by a phase-dependent interaction. We specifically explore the role of this…

The periodic flashing potential has proven to be a powerful tool for investigating directed atomic currents. By applying the flashing ring-shaped potential to spin-orbit (SO) coupled, noninteracting Bose-Einstein condensate (BEC) systems,…

Quantum Gases · Physics 2024-06-28 Zhiqiang Li , Xiaoxiao Hu , Zhao-Yun Zeng , Ai-Xi Chen , Xiaobing Luo

Spin-orbital coupling and interaction as intrinsic light fields characteristics have been extensively studied. Previous studies involve the spin angular momentum (SAM) carried by circular polarization and orbital angular momentum (OAM)…

Optics · Physics 2021-03-18 Jian Chen , Lihua Yu , Chenhao Wan , Qiwen Zhan

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 present a DFT-based investigation of the twist-angle dependent proximity spin-orbit coupling (SOC) in graphene/TMDC structures. We find that for Mo-based TMDCs the proximity valley-Zeeman SOC exhibits a maximum at around 15--20{\deg},…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Klaus Zollner , Simão M. João , Branislav K. Nikolić , Jaroslav Fabian

We investigate the statistical properties of wave functions in chaotic nanostructures with spin-orbit coupling (SOC), focussing in particular on spatial correlations of eigenfunctions. Numerical results from a microscopic model are compared…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Anh T. Ngo , Eugene H. Kim , Sergio E. Ulloa

We investigate theoretically the phase diagram of a spin-orbit coupled Bose gas in two-dimensional harmonic traps. We show that discrete Landau levels develop at strong spin-orbit coupling. For a weakly interacting gas, quantum states with…

Quantum Gases · Physics 2012-02-24 Hui Hu , B. Ramachandhran , Han Pu , Xia-Ji Liu

We consider an electron confined in a gated nanowire quantum dot (NQD) with arbitrarily strong spin-orbit coupling (SOC) and weak static magnetic field, and treat the latter as a perturbation to seek the maximal spin-motion entangled states…

Mesoscale and Nanoscale Physics · Physics 2024-04-23 Kuo Hai , Xuefang Deng , Qiong Chen , Wenhua Hai

The investigation on significantly enhancing the coupling to NV centers at single-quanta level is of great key point to further explore its application in quantum information processing (QIP). We here study a joint scheme to further enhance…

Quantum Physics · Physics 2021-11-30 Yuan Zhou , Xin-Ke Li , Dong-Yan Lv , Yong-Chen Xiong , Hai-Ming Huang , Chang-Sheng Hu

Spin-orbit coupling plays an important role in understanding exotic quantum phases. In this work, we present a scheme to combine spin-orbital-angular-momentum (SOAM) coupling and strong correlations in ultracold atomic gases. Essential…

Quantum Gases · Physics 2022-06-22 Rui Cao , Jinsen Han , Jianhua Wu , Jianmin Yuan , Lianyi He , Yongqiang Li

We introduce a neural-network-based machine learning method to predict the effective spin-orbit coupling (SOC) strength in hole quantum dot arrays from standard charge stability diagrams. Specifically, we study a $2\times 2$ Ge hole quantum…

Mesoscale and Nanoscale Physics · Physics 2026-04-08 Jacob R. Taylor , Katharina Laubscher , Sankar Das Sarma

Experimental implementations of quantum simulation must balance the controllability of the quantum system under test with decoherence typically introduced through interaction with external control fields. The ratio of coherent interaction…

We investigate the classical-quantum correspondence of non-Hermitian Spin-orbit (SO)-coupled bosonic junctions, where an effective decay term is introduced in one of the two wells. Starting from the normalized two-point functions, we…

Quantum Physics · Physics 2024-10-21 Xin Yan , Hongzheng Wu , Changwei Fan , Baiyuan Yang , Yu Guo , Xiaobing Luo , Jinpeng Xiao , Zhao-Yun Zeng
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