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We discuss pairing of light-matter bosons under effective spin-orbit (SO) coupling in two-dimensional semiconductors. The SO coupling is shown to induce dynamical broadening of a two-body bound state. Application of a transverse magnetic…

Quantum Gases · Physics 2022-11-02 Sergueï V. Andreev

Superconductivity and magnetism generally do not coexist. Changing the relative number of up and down spin electrons disrupts the basic mechanism of superconductivity, where atoms of opposite momentum and spin form Cooper pairs. Nearly…

The spin-orbit coupling (SOC) lifts the band degeneracy that plays a vital role in the search for different topological states, such as topological insulators (TIs) and topological semimetals (TSMs). In TSMs, the SOC can partially gap a…

Ultracold bosons in optical lattices are one of the few systems where bosonic matter is known to exhibit strong correlations. Here we push the frontier of our understanding of interacting bosons in optical lattices by adding synthetic…

Quantum Gases · Physics 2018-01-03 Daisuke Yamamoto , I. B. Spielman , C. A. R. Sá de Melo

We incorporate spin-orbit coupling (SOC) into effective Kugel-Khomskii models for the $n=1$ and $n=2$ members of the Ruddlesden-Popper series Sr$_{n+1}$Cr$_n$O$_{3n+1}$. These model contain interacting spins 1 and pseudospins 1/2 at each…

Strongly Correlated Electrons · Physics 2026-04-01 Cristian Fanjul , A. A. Aligia

In this article we discuss and compare different ways to engineer an interface between ultracold atoms and micro- and nanomechanical oscillators. We start by analyzing a direct mechanical coupling of a single atom or ion to a mechanical…

We investigate the unusual properties of quasirelativistic massless fermions under a magnetic or electric field by means of nonminimal couplings. Within this approach, the spin-orbit coupling (SOC) effects are properly generated in the…

Mesoscale and Nanoscale Physics · Physics 2016-12-06 E. Marcelino , E. S. Santos , R. Rivelino

In this work, we study strongly interacting spinor atoms in a lattice subject to a 2 dimensional (2d) anisotropic Rashba type of spin orbital coupling (SOC) and an Zeeman field. We find the interplay between the Zeeman field and the SOC…

Quantum Gases · Physics 2017-08-24 Fadi Sun , Jinwu Ye , Wu-Ming Liu

We study the pseudo spin-orbital (SO) effects experienced by massive Dirac particles in graphene, which can potentially be of a larger magnitude compared to the conventional Rashba SO effects experienced by particles in a 2DEG semiconductor…

Mesoscale and Nanoscale Physics · Physics 2012-02-21 S. G. Tan , M. B. A. Jalil , Dax Enshan Koh , Hwee Kuan Lee , Y. H. Wu

Altermagnets host intrinsically chirality-splitting spin waves, which offer an ideal platform for chirality-based computing with low energy consumption and fast dynamics. However, achieving precise and efficient control over spin-wave…

Mesoscale and Nanoscale Physics · Physics 2025-10-29 Wen-Tong Li , Yu-Biao Wu , Lin Zhuang , Jian-Tao Wang , Wu-Ming Liu

We demonstrate that it is possible to prepare a lattice gas of ultracold atoms with a desired non-classical spin-correlation function using atom-light interaction of the kind routinely employed in quantum spin polarization spectroscopy. Our…

Quantum Physics · Physics 2013-03-15 P. Hauke , R. J. Sewell , M. W. Mitchell , M. Lewenstein

We propose a simple experimental scheme to generate spin textures in the ground state of interacting ultracold bosonic atoms loaded in a two-dimensional harmonic trap. Our scheme is based on two co-propagating Laguerre-Gauss laser beams…

Quantum Gases · Physics 2015-10-28 Yu-Xin Hu , Christian Miniatura , Benoît Grémaud

The control of the ultracold collisions between neutral atoms is an extensive and successful field of study. The tools developed allow for ultracold chemical reactions to be managed using magnetic fields, light fields and spin-state…

Atomic Physics · Physics 2017-09-05 Tomas Sikorsky , Ziv Meir , Ruti Ben-shlomi , Nitzan Akerman , Roee Ozeri

A new method is presented that allows for efficient evaluation of spin-orbit coupling (SOC) in density-functional theory calculations. In the so-called second-variational scheme, where Kohn-Sham functions obtained in a scalar-relativistic…

Materials Science · Physics 2023-06-06 Cecilia Vona , Sven Lubeck , Hannah Kleine , Andris Gulans , Claudia Draxl

The control of the spin degree of freedom is at the heart of spintronics, which can potentially be achieved by spin-orbit coupling or band topological effects. In this paper, we explore another potential controlled mechanism under debate:…

Other Condensed Matter · Physics 2024-11-12 J. A. Sánchez-Monroy , Carlos Mera Acosta

We demonstrate how a topological atom laser can be realized by output coupling a trapped vortex state with a Raman scattering process. We find a linearized analytic solution from which a generalized resonance condition for Raman output…

Soft Condensed Matter · Physics 2007-05-23 P. Blair Blakie , Robert J. Ballagh , Charles W. Clark

In solid_state hybrid electron_nuclear spin systems quantum entanglement plays vital role in allowing accessible transfer of information between subatomic particles, regardless of the host lattice coordination spatial geometry, revealing…

Quantum Physics · Physics 2013-11-25 Vesna Berec , J. S. Braunstein

Orbital angular momentum (OAM) of light represents a fundamental optical freedom that can be exploited to manipulate quantum state of atoms. In particular, it can be used to realize spin-orbital-angular-momentum (SOAM) coupling in cold…

In the presence of a laser-induced spin-orbit coupling an interacting ultra cold spinor Bose-Einstein condensate may acquire a quasi-relativistic character described by a non-linear Dirac-like equation. We show that as a result of the…

Quantum Gases · Physics 2015-05-14 M. Merkl , A. Jacob , F. E. Zimmer , P. Ohberg , L. Santos

In this letter we address the issue how synthetic spin-orbit (SO) coupling can strongly affect three-body physics in ultracold atomic gases. We consider a system which consists of three fermionic atoms, including two spinless heavy atoms…

Quantum Gases · Physics 2014-01-15 Zhe-Yu Shi , Xiaoling Cui , Hui Zhai
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