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We have investigated the ground state phase diagram of the 1D AF spin-1/2 Heisenberg model with the staggered Dzyaloshinskii-Moriya (DM) interaction in an external uniform magnetic field $H$. We have used the exact diagonalization…

强关联电子 · 物理学 2009-11-13 S. Mahdavifar , M. R. Soltani , A. A. Masoudi

We study the 1D ferromagnetic Ising (spin-1/2) model with the Dzyaloshinskii-Moriya (DM) interaction. We analyze the low energy excitation spectrum and the ground state magnetic phase diagram using the Lanczos method. The DM…

强关联电子 · 物理学 2011-10-04 M. R. Soltani , S. Mahdavifar , Alireza Akbari , A. A. Masoudi

We study a one-dimensional spin-1/2 XXZ Heisenberg model with alternating Dzyaloshinskii- Moriya interaction, using the numerical Lanczos method. Recently, the ground state (GS) phase diagram of this model has been established using the…

强关联电子 · 物理学 2020-11-17 F. Khastehdel Fumani , B. Beradze , S. Nemati , S. Mahdavifar , G. I. Japaridze

We have studied the phase diagram of the one dimensional XXZ model with Dzyaloshinskii-Moriya (DM) interaction. We have applied the quantum renormalization group (QRG) approach to get the stable fixed points, critical point and the scaling…

强关联电子 · 物理学 2008-12-11 R. Jafari , A. Langari

Frustrated quantum spin systems exhibit exotic physics induced by external magnetic field with anisotropic interactions. Here, we study the effect of non-uniform Dzyaloshinskii-Moriya (DM) interactions on a quasi-two-dimensional…

量子气体 · 物理学 2020-02-26 Tianqi Chen , Chu Guo , Pinaki Sengupta , Dario Poletti

We investigate the effect of Dzyaloshinskii-Moriya (DM) interactions in the planar pyrochlore (checkerboard) antiferromagnet, one of the paradigmatic models of spin frustration, and establish the classical phase diagram using a combination…

强关联电子 · 物理学 2023-08-25 Marios Georgiou , Ioannis Rousochatzakis , Joseph J. Betouras

The phase diagrams of the frustrated classical spin model with Dzyaloshinskii-Moriya (DM) interaction on the Shastry-Sutherland (S-S) lattice are studied by means of Monte Carlo simulation. For ferromagnetic next-nearest-neighboring (J2)…

应用物理 · 物理学 2020-01-22 J. H. Yu , W. H. Li , Z. P. Huang , J. J. Liang , J. Chen , D. Y. Chen , Z. P. Hou , M. H. Qin

We present a theoretical investigation of the magnetic and thermodynamic properties of the triangular spin-1/2 cluster with Dzyaloshinskii-Moriya (DM) interaction, described by a spin-1/2 Heisenberg Hamiltonian with antisymmetric exchange…

介观与纳米尺度物理 · 物理学 2026-05-29 Jordana Torrico , Romulo A. Silva , S. M. de Souza , Onofre Rojas

We have studied the phase diagram and entanglement of the one dimensional Ising model with Dzyaloshinskii-Moriya (DM) interaction. We have applied the quantum renormalization group (QRG) approach to get the stable fixed points, critical…

强关联电子 · 物理学 2009-11-13 R. Jafari , M. Kargarian , A. Langari , M. Siahatgar

We study the ground-state magnetic phase diagram of a spin S=1/2 antiferromagnetic two-leg ladder in the presence of period two lattice units modulated, Dzyaloshinskii-Moriya (DM) interaction along the legs. We consider the case of…

强关联电子 · 物理学 2020-02-04 Niko Avalishvili , Bachana Beradze , George I. Japaridze

We consider the ground-state phase diagram of a one-dimensional spin-1/2 XXZ chain with spatially modulated Dzyaloshinskii-Moriya interaction in the presence of applied along with the $\hat{z}$ axis alternating magnetic field. The model is…

强关联电子 · 物理学 2021-08-04 G. I. Japaridze , H. Cheraghi , S. Mahdavifar

Localized magnons states, due to flat bands in the spectrum, is an intensely studied phenomenon and can be found in many frustrated magnets of different spatial dimensionality. The presence of Dzyaloshinskii-Moriya (DM) interactions may…

强关联电子 · 物理学 2021-04-07 S. Acevedo , P. Pujol , C. A. Lamas

We review recent developments of formulations to calculate the Dzyaloshinskii--Moriya (DM) interaction from first principles. In particular, we focus on three approaches. The first one evaluates the energy change due to the spin twisting by…

介观与纳米尺度物理 · 物理学 2018-01-30 Takashi Koretsune , Toru Kikuchi , Ryotaro Arita

We investigate an antiferromagnetic spin-$1$ Heisenberg chain in the presence of Dyzaloshinskii-Moriya interactions (DMI) and an external magnetic field. We study the resulting spin chain using a combination of numerical and analytical…

强关联电子 · 物理学 2019-11-13 Hugo Tschirhart , Ernest Teng Siang Ong , Pinaki Sengupta , Thomas L. Schmidt

Magnetization measurements of a Mn12mda wheel single-molecule magnet with a spin ground state of S = 7 show resonant tunneling and quantum phase interference, which are established by studying the tunnel rates as a function of a transverse…

介观与纳米尺度物理 · 物理学 2009-11-13 W. Wernsdorfer , T. C. Stamatatos , G. Christou

We investigate the necessary conditions for the emergence of complex, noncoplanar magnetic configurations in a Kondo lattice model with classical local moments on the geometrically frustrated Shastry-Sutherland lattice and their evolution…

强关联电子 · 物理学 2017-12-05 Munir Shahzad , Pinaki Sengupta

We consider a class of one-dimensional compass models with antisymmetric Dzyaloshinskii-Moriya exchange interaction in an external magnetic field. Based on the exact solution derived by means of Jordan-Wigner transformation, we study the…

强关联电子 · 物理学 2014-09-23 Wen-Long You , Guang-Hua Liu , Peter Horsch , Andrzej M. Oleś

Using the density-matrix renormalization-group algorithm (DMRG) and a finite-size scaling analysis, we study the properties of the one-dimensional completely-anisotropic spin-1/2 XYZ model with Dzyaloshinsky-Moriya (DM) interactions. The…

The ground state phase diagram is determined for the frustrated classical Heisenberg chain with added nearest-neighbor biquadratic exchange interactions. There appear ferromagnetic, incommensurate-spiral, and up-up-down-down phases; a…

强关联电子 · 物理学 2013-05-29 T. A. Kaplan

We examine the impact of long-range Dzyaloshinskii-Moriya (DM) interaction in the extended $XY$ model on the phase diagram as well as the static and dynamical properties of quantum and classical correlation functions. It is known that in…

量子物理 · 物理学 2025-05-06 Tanoy Kanti Konar , Leela Ganesh Chandra Lakkaraju , Aditi Sen De
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