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Related papers: Static and Dynamical Dzyaloshinsky-Moriya interact…

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We study the effects of external magnetic field on the properties of an ordered Heisenberg antiferromagnet with the Dzyaloshinskii-Moriya (DM) interaction. Using the spin-wave theory quantum correction to the energy, on-site magnetization,…

Strongly Correlated Electrons · Physics 2007-05-23 A. L. Chernyshev

We have studied the low energy spin dynamics between 4.6K and 0.07K in a Tb2Ti2O7 single crystal sample, by means of inelastic neutron scattering experiments. The spectra consist in a dual response, with a static and an inelastic…

Strongly Correlated Electrons · Physics 2015-06-11 Sylvain Petit , Pierre Bonville , Julien Robert , Claudia Decorse , Isabelle Mirebeau

Paramagnetic correlations in the magnetic material Yb2Ti2O7 have been investigated via neutron scattering, revealing a [111] rod of scattering intensity. Assuming interactions between the Yb^{3+} ions composed of all symmetry-allowed…

Strongly Correlated Electrons · Physics 2011-06-28 Jordan D. Thompson , Paul A. McClarty , Henrik M. Ronnow , Louis P. Regnault , Andreas Sorge , Michel J. P. Gingras

We consider the spin dynamics of a normal metal-ferromagnet heterostructure, with emphasis on spin-nutation terms arising from a dynamical Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction. We find that the spin-nutation term is anisotropic…

Mesoscale and Nanoscale Physics · Physics 2025-04-30 Christian Svingen Johnsen , Asle Sudbø

We investigate the effect of Dzyaloshinskii-Moriya (DM) interactions on torque measurements of quantum magnets with magnetization plateaux in the context of a frustrated spin-1/2 ladder. Using extensive DMRG simulations, we show that the DM…

Other Condensed Matter · Physics 2009-02-02 S. R. Manmana , F. Mila

We explore the influence of contact interactions on a synthetically spin-orbit coupled system of two ultracold trapped atoms. Even though the system we consider is bosonic, we show that a regime exists in which the competition between the…

Quantum Gases · Physics 2020-02-03 Ayaka Usui , Thomás Fogarty , Steve Campbell , Simon A. Gardiner , Thomas Busch

We report inelastic neutron scattering measurements of the spin dynamics in the layered hexagonal magnet 2H-AgNiO2 which has stacked triangular layers of antiferromagnetically-coupled Ni2+ spins (S=1) ordered in a collinear alternating…

Strongly Correlated Electrons · Physics 2009-03-25 E. M. Wheeler , R. Coldea , E. Wawrzynska , T. Sorgel , M. Jansen , M. M. Koza , J. Taylor , P. Adroguer , N. Shannon

We show that the recent experimental realization of spin-orbit coupling in ultracold atomic gases can be used to study different types of spin spiral order and resulting multiferroic effects. Spin-orbit coupling in optical lattices can give…

Quantum Gases · Physics 2015-06-01 Ming Gong , Yinyin Qian , Mi Yan , V. W. Scarola , Chuanwei Zhang

In the present work, initially a mixed-three-spin (1/2,1,1/2) cell of a mixed-N-spin chain with Ising-XY model is introduced, for which pair spins (1,1/2) have Ising-type interaction and pair spins (1/2,1/2) have both XY-type and…

Statistical Mechanics · Physics 2018-03-15 Hamid Arian Zad , Hossein Movahhedian

We present a theory describing spiral magnets with Dzyaloshinskii-Moriya interaction (DMI) subject to bond disorder at small concentration $c$ of defects. It is assumed that both DMI and exchange coupling are changed on imperfect bonds.…

Strongly Correlated Electrons · Physics 2015-09-22 O. I. Utesov , A. V. Sizanov , A. V. Syromyatnikov

We derive the microscopic spin Hamiltonian for rhombohedral CrI$_3$ using extensive first-principles density functional theory (DFT) calculations which incorporate spin-orbit coupling and Hubbard U. Our calculations indicate a dominant…

Nonrelativistic systems exhibiting collective magnetic behavior are analyzed in the framework of effective Lagrangians. The method, formulating the dynamics in terms of Goldstone bosons, allows to investigate the consequences of spontaneous…

Condensed Matter · Physics 2009-10-31 Christoph P. Hofmann

We study the effect of Dzyaloshinskii-Moriya (DM) interaction on pairwise quantum discord, entanglement, and classical correlation in the anisotropic XY spin-half chain. Analytical expressions for both quantum and classical correlations are…

Quantum Physics · Physics 2015-05-20 Ben-Qiong Liu , Bin Shao , Jun-Gang Li , Jian Zou , Lian-Ao Wu

In a recent publication (S. Dong et al., Phys. Rev. Lett.103, 127201 (2009)), two (related) mechanisms were proposed to understand the intrinsic exchange bias present in oxides heterostructures involving G-type antiferromagnetic…

Materials Science · Physics 2012-01-04 Shuai Dong , Qinfang Zhang , Seiji Yunoki , J. -M. Liu , Elbio Dagotto

We study the nonequilibrium effects of spin and/or electric currents on the helical indirect exchange interactions of local spins that embedded in general open electronic systems. Especially, besides the synthesized anisotropic Heisenberg…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Tingting Liu , Jie Ren , Peiqing Tong

This paper investigates the dynamical generation of entanglement in scattering systems, in particular two spin systems that interact via rotationally-invariant scattering. The spin degrees of freedom of the in-states are assumed to be in…

Quantum Physics · Physics 2009-11-11 N. L. Harshman

We investigate interactions between spins of strongly correlated electrons subject to the spin-orbit interaction. Our main finding is that of a novel, spin-orbit mediated anisotropic spin-spin coupling of the van der Waals type. Unlike the…

Mesoscale and Nanoscale Physics · Physics 2008-04-23 Suhas Gangadharaiah , Jianmin Sun , Oleg A. Starykh

For 1D s=1/2 anisotropic XY model in transverse field with Dzyaloshinskii-Moriya interaction using Jordan-Wigner transformation the thermodynamical functions, static spin correlation functions, transverse dynamical spin correlation function…

Condensed Matter · Physics 2007-05-23 O. Derzhko , A. Moina

Low-temperature spin dynamics of the double-layered perovskite La_2-2x_Sr_1+2x_Mn_2_O_7 (LSMO327) was systematically studied in a wide hole concentration range (0.3 <= x < 0.5). The spin-wave dispersion, which is almost perfectly 2D, has…

Strongly Correlated Electrons · Physics 2009-11-07 K. Hirota , S. Ishihara , H. Fujioka , M. Kubota , H. Yoshizawa , Y. Moritomo , Y. Endoh , S. Maekawa

Broken inversion symmetry in combination with the spin-orbit interaction generates a finite Dzyaloshinskii-Moriya interaction (DMI), which can induce noncollinear spin textures of chiral nature. The DMI is characterized by an interaction…

Mesoscale and Nanoscale Physics · Physics 2020-09-09 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis