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Spin-orbit coupling (SOC) is one of the crucial factors that affect the chiral symmetry of matter by causing the spatial symmetry breaking of the system. We find that Raman-induced SOC can induce a chiral supersolid phase with a helical…

Quantum Gases · Physics 2025-10-07 Xianghua Su , Xiping Fu , Yang He , Ying Shang , Kaiyuan Ji , Linghua Wen

The effect of spin-orbit coupling (SOC) on the electronic properties of monolayer (ML) PtSe$_2$ is dictated by the presence of the crystal inversion symmetry to exhibit spin polarized band without characteristic of spin splitting. Through…

Strongly Correlated Electrons · Physics 2017-09-28 Moh. Adhib Ulil Absor , Iman Santosa , Harsojo , Kamsul Abraha , Fumiyuki Ishii , Mineo Saito

Using first-principles density-functional theory (DFT) calculations, we investigate the 4/3-monolayer structure of Pb on the Si(111) or Ge(111) surface within the two competing structural models termed the H$_3$ and T$_4$ structures. We…

Computational Physics · Physics 2016-09-21 Xiao-Yan Ren , Hyun-Jung Kim , Seho Yi , Yu Jia , Jun-Hyung Cho

We introduce a discrete model for binary spin-orbit-coupled (SOC) Bose-Einstein condensates (BEC) trapped in a deep one-dimensional optical lattice. Two different types of the couplings are considered, with spatial derivatives acting inside…

We unravel theoretically a key intrinsic relaxation mechanism among the low-lying singlet and triplet donor-pair states in silicon, an important element in the fast-developing field of spintronics and quantum computation. Despite the…

Mesoscale and Nanoscale Physics · Physics 2017-10-04 Yang Song , S. Das Sarma

We study the interplay effect of spin-orbit coupling(SOC) and optical lattice to the single-particle physics and superfluid-insulator transition in ultracold Fermi gases. We consider the type of SOC that has been realized in cold atoms…

Quantum Gases · Physics 2015-10-28 Lihong Zhou , Xiaoling Cui

We derive the universal relations for an ultracold two-component Fermi gas with spin-orbit coupling (SOC) $\sum_{\alpha,\beta=x,y,z}\lambda_{\alpha\beta}\sigma_{\alpha}p_{\beta}$, where $p_{x,y,z}$ and $\sigma_{x,y,z}$ are the single-atom…

Quantum Gases · Physics 2018-05-09 Jianwen Jie , Ran Qi , Peng Zhang

Rotons can exist in ultracold atomic gases either with long-range interactions or with spin-orbitcoupled dispersions. We find that two different kinds of rotons coexist in a joint system combining long-range interactions and spin-orbit…

Quantum Gases · Physics 2020-09-02 Hao Lyu , Yongping Zhang

We study the interplay of spin-orbit coupling (SOC) and strong p-wave interaction to the scattering property of spin-1/2 ultracold Fermi gases. Based on a two-channel square-well potential generating p-wave resonance, we show that the…

Quantum Gases · Physics 2017-06-01 Xiaoling Cui

A Bose gas under the effect of Raman Spin-Orbit Coupling (SOC) is analyzed using the Discrete Spin T-moves Diffusion Monte Carlo method. By computing the energy as well as the static structure factor and the superfluid fraction of the…

Quantum Gases · Physics 2020-04-17 Juan Sánchez-Baena , Jordi Boronat Medico , Ferran Mazzanti Castrillejo

We study laser induced spin-orbit (SO) coupling in cold atom systems where lasers couple three internal states to a pair of excited states, in a double tripod topology. Proper choice of laser amplitudes and phases produces a Hamiltonian…

Quantum Physics · Physics 2015-05-30 G. Juzeliunas , J. Ruseckas , D. L. Campbell , I. B. Spielman

We study super Bloch oscillations of ultracold atoms in a shaken lattice potential, subjected to a harmonically modulated mean-field interaction. Usually, any interaction leads to the decay of the wave packet and its super Bloch…

Quantum Gases · Physics 2013-01-22 Elena Díaz , Alberto García Mena , Kunihiko Asakura , Christopher Gaul

We investigate the interplay of spin-orbit coupling (SOC) and electronic correlations in Sr2RuO4 using dynamical mean-field theory. We find that SOC does not affect the correlation-induced renormalizations, which validates the Hund's metal…

Strongly Correlated Electrons · Physics 2018-03-28 Minjae Kim , Jernej Mravlje , Michel Ferrero , Olivier Parcollet , Antoine Georges

Dressed spin states, a spin coupling to continuous radiation fields, can fundamentally change how a spin responds to magnetic fluctuations. Using dressed spin states, we were able to protect an electron spin in diamond from decoherence.…

Quantum Physics · Physics 2015-06-22 D. Andrew Golter , Thomas K. Baldwin , Hailin Wang

We demonstrate the formation of stable spatially-ordered states in a {\it uniform} and also {\it trapped} quasi-two-dimensional (quasi-2D) Rashba or Dresselhaus spin-orbit (SO) coupled pseudo spin-1/2 Bose-Einstein condensate using the…

Quantum Gases · Physics 2021-08-11 S. K. Adhikari

We present a cross-cavity system in which steady-state superradiance is achieved using solely collective dissipative dynamics. Two cavities symmetrically couple an ensemble of four-level atoms by driving transitions between two electronic…

Quantum Physics · Physics 2026-03-06 Jarrod T. Reilly , Gage W. Harmon , John Drew Wilson , Murray J. Holland , Simon B. Jäger

We discuss a model with ultra-cold atoms confined in optical superlattices. In particular, we study the ground-state properties of two spin-1 bosons trapped in a double-well potential. Depending on the external magnetic field and…

Quantum Physics · Physics 2023-07-19 Artur Barasiński , Wiesław Leoński , Tomasz Sowiński

We study modulation instability (MI) of flat states in two-component spin-orbit-coupled (SOC) Bose-Einstein condensates (BECs) in the framework of coupled Gross-Pitaevskii equations for two components of the pseudospinor wave function. The…

Quantum Gases · Physics 2023-04-14 Ishfaq Ahmad Bhat , T. Mithun , B. A. Malomed , K. Porsezian

We employ a method involving coherent periodic modulation of Raman laser intensity to induce resonance transitions between energy levels of a spin-orbit coupled atom in a symmetric double-well trap. By integrating photon-assisted tunneling…

Quantum Physics · Physics 2024-07-23 Changwei Fan , Xiaoxiao Hu , Xin Yan , Hongzheng Wu , Zhiqiang Li , Jinpeng Xiao , Yajiang Chen , Xiaobing Luo

We analyze spin dynamics in the tunneling decay of a metastable localized state in the presence of spin-orbit coupling. We find that the spin polarization at short time scales is affected by the initial state while at long time scales both…

Quantum Physics · Physics 2012-12-14 Yue Ban , E. Ya. Sherman
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