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Related papers: Atom-dimer and dimer-dimer scatterings in a spin-o…

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We investigate the pairing physics in a three-component Fermi-Fermi mixture, where a few impurities are immersed in a non-interacting spin-$\frac{1}{2}$ Fermi gas with synthetic spin-orbit coupling (SOC), and interact attractively with one…

Quantum Gases · Physics 2015-06-19 Lihong Zhou , Xiaoling Cui , Wei Yi

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

The behavior of ultracold atomic gases depends crucially on the two-body scattering properties of these systems. We develop a multichannel scattering theory for atom-atom collisions in quasi-one-dimensional (quasi-1D) geometries such as…

Condensed Matter · Physics 2009-11-10 Brian E. Granger , D. Blume

Effective spin mixing conductance (ESMC) across the nonmagnetic metal (NM)/ferromagnet interface, spin Hall conductivity (SHC) and spin diffusion length (SDL) in the NM layer govern the functionality and performance of pure spin current…

Materials Science · Physics 2016-09-02 L. Ma , H. A. Zhou , L. Wang , X. L. Fan , W. J. Fan , D. S. Xue , K. Xia , G. Y. Guo , S. M. Zhou

We observe coherent spin oscillations in an antiferromagnetic spin-1 Bose-Einstein condensate of sodium. The variation of the spin oscillations with magnetic field shows a clear signature of nonlinearity, in agreement with theory, which…

Other Condensed Matter · Physics 2009-11-13 A. T. Black , E. Gomez , L. D. Turner , S. Jung , P. D. Lett

We report a doping dependent electronic Raman scattering measurements on iron-pnictide superconductor Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals. A strongly anisotropic gap is found at optimal doping for x=0.065 with $\Delta_{max}\sim…

Superconductivity · Physics 2015-05-19 L. Chauvière , Y. Gallais , M. Cazayous , M. A. Méasson , A. Sacuto , D. Colson , A. Forget

Recent experiments with Yb-173 and Sr-87 isotopes provide new possibilities to study high spin two-orbital systems. Within these experiments part of the atoms are excited to a higher energy metastable electronic state mimicking an…

Quantum Gases · Physics 2016-03-29 E. Szirmai

We study the bound states of two spin-$\half$ fermions interacting via a contact attraction (characterized by a scattering length) in the singlet channel in 3D space in presence of a uniform non-Abelian gauge field. The configuration of the…

Quantum Gases · Physics 2015-03-17 Jayantha P. Vyasanakere , Vijay B. Shenoy

We describe a method for creating a three-dimensional analogue to Rashba spin-orbit coupling in systems of ultracold atoms. This laser induced coupling uses Raman transitions to link four internal atomic states with a tetrahedral geometry,…

Spin-orbit coupling (SOC) in solids normally originates from the electron motion in the electric field of the crystal. It is key to understanding a variety of spin-transport and topological phenomena, such as Majorana fermions and recently…

Quantum Gases · Physics 2014-11-18 Sergey V. Syzranov , Michael L. Wall , Victor Gurarie , Ana Maria Rey

Spin-orbit coupling is an important ingredient in many recently discovered phenomena such as the spin-Hall effect and topological insulators. Of particular interest is topological superconductivity, with its potential application in…

Quantum Gases · Physics 2011-04-28 Jay D. Sau , Rajdeep Sensarma , Stephen Powell , I. B. Spielman , S. Das Sarma

We study the effects of spin-orbit coupling (SOC) on the large-U Hubbard model on anisotropic triangular lattice at half-filling using the Schwinger-boson method. We find that the SOC will in general lead to a zero temperature condensation…

Strongly Correlated Electrons · Physics 2013-05-29 Xiao-Yong Feng , Xin Dong , Jianhui Dai

We investigate the spin-orbit coupling (SOC) effects in $\alpha$- and $\kappa$-phase BEDT-TTF and BEDT-TSF organic salts. Contrary to the assumption that SOC in organics is negligible due to light C, S, H atoms, we show the relevance of…

Strongly Correlated Electrons · Physics 2017-02-15 Stephen M. Winter , Kira Riedl , Roser Valenti

We investigate the correlation effects on spin-orbit coupling (SOC) in a two-orbital Hubbard model on a square lattice by applying the variational Monte Carlo method. We consider an effective SOC constant $\lambda_{\text{eff}}$ in the…

Strongly Correlated Electrons · Physics 2022-11-11 Katsunori Kubo

The electronic band structure of monolayer phosphorene is thoroughly studied by considering the presence of spin-orbit interaction. We employ a multiorbital Slater-Koster tight-binding approach to derive effective k.p-type Hamiltonians that…

Mesoscale and Nanoscale Physics · Physics 2024-08-13 Mayra Peralta , Dennis A. Freire , Rafael González-Hernández , Francisco Mireles

We study theoretically the proximity effect in a ferromagnetic semiconductor with Rashba spin-orbit interaction. The exchange potential generates opposite-spin-triplet Cooper pairs which are transformed into equal-spin-triplet pairs by the…

Superconductivity · Physics 2019-09-11 Taketoki Yamashita , Jaechul Lee , Tetsuro Habe , Yasuhiro Asano

A general treatment of ultracold two-body scattering in the presence of isotropic spin-orbit coupling (SOC) is presented. Owing to the mixing of different partial wave channels, scattering with SOC is in general a coupled multichannel…

Quantum Gases · Physics 2016-10-12 Su-Ju Wang , Chris H. Greene

We investigate the possibility of using a Rabi drive to tune the interactions in an atomic Fermi gas. Specifically, we consider the scenario where two fermion species (spins) are Rabi coupled and interacting with a third uncoupled species.…

We theoretically explore atomic Bose-Einstein condensates (BECs) subject to position-dependent spin-orbit coupling (SOC). This SOC can be produced by cyclically laser coupling four internal atomic ground (or metastable) states in an…

Quantum Gases · Physics 2015-04-06 S. -W. Su , S. -C. Gou , I. -K. Liu , I. B. Spielman , L. Santos , A. Acus , A. Mekys , J. Ruseckas , G. Juzeliūnas

We report the observation of spin segregation, i.e., separation of spin density profiles, in a trapped ultracold Fermi gas of $^6$Li with a magnetically tunable scattering length close to zero. The roles of the spin components are inverted…

Other Condensed Matter · Physics 2009-11-13 X. Du , L. Luo , B. Clancy , J. E. Thomas