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In this work, we explore the magnetic behavior of diluted spin-ice systems, where magnetic moments are randomly removed at various concentrations. We concentrate on features in which the effect of long range dipolar interactions (usually…

Statistical Mechanics · Physics 2024-11-08 M. Gorsd , S. A. Grigera , R. A. Borzi

Effects of magnetic field on the quadrupolar ordering are investigated with inclusion of fluctuation of order parameters. For the simplest model with the nearest-neighbor quadrupolar interaction, the transition temperature and the specific…

Strongly Correlated Electrons · Physics 2009-10-30 Noboru Fukushima , Yoshio Kuramoto

We consider tidal coupling in a binary stellar system to first-post-Newtonian order. We derive the orbital equations of motion for bodies with spins and mass quadrupole moments and show that they conserve the total linear momentum of the…

General Relativity and Quantum Cosmology · Physics 2014-10-10 Justin Vines , Éanna É. Flanagan

Models of rotating relativistic stars with a toroidal magnetic field have been computed for a sample of eight equations of state of cold dense matter. Non-rotating models admit important levels of magnetization and quadrupole distortion…

General Relativity and Quantum Cosmology · Physics 2015-06-18 Joachim Frieben , Luciano Rezzolla

Magnetic superconductors are specific materials exhibiting two antagonistic phenomena, superconductivity and magnetism, whose mutual interaction induces various emergent phenomena, such as the reentrant superconducting transition associated…

The invariant form of the hyperfine interaction between multipolar moments and the nuclear spin is derived, and applied to discuss possibilities to identify the antiferro-octupolar (AFO) moments by NMR experiments. The ordered phase of…

Strongly Correlated Electrons · Physics 2009-11-10 Osamu Sakai , Ryousuke Shiina , Hiroyuki Shiba

With the aim of providing high accuracy post-Newtonian (PN) templates for the analysis of gravitational waves generated by compact binary systems, we complete the analytical derivation of the source type mass quadrupole moment of compact…

General Relativity and Quantum Cosmology · Physics 2022-06-22 François Larrouturou , Quentin Henry , Luc Blanchet , Guillaume Faye

The hyperfine interactions at the uranium site in the antiferromagnetic USb2 compound were calculated within the density functional theory (DFT) employing augmented plane wave plus local orbital (APW+lo) method. We investigated the…

Strongly Correlated Electrons · Physics 2007-05-23 A. Fathi , S. Jalali Asadabadi , M. G. Rad , H. Amini

We report a magnetic and neutron diffraction study on the ground state magnetism and field evolution of single crystal van der Waals multiferroic CuCrP2S6. The ordered moments align along the b axis in the A-type antiferromagnetic…

Strongly Correlated Electrons · Physics 2026-03-30 Jiasen Guo , Ryan P. Siebenaller , Michael A. Susner , Jiaqiang Yan , Zachary Morgan , Feng Ye

As many Kagome metals, the topological superconductor AV$_3$Sb$_5$ with (A = K,Rb,Cs) hosts a charge density wave . A related chiral flux phase that breaks the time-reversal symmetry has been further theoretically predicted in these…

Motivated by the recent experimental observations [Phys Rev B 57 R11051 (1998)] of transverse spin ordering in FeBr_2 induced by a magnetic field with oblique angle to the easy axis of the system, we performed extensive Monte Carlo…

Condensed Matter · Physics 2009-10-31 M. Acharyya , U. Nowak , K. D. Usadel

We study the orientational dynamics of superparamagnetic colloidal dimers that carry both an induced magnetic moment, proportional to the applied field, and an effective permanent moment. In a static, uniform magnetic field, dimers that are…

Soft Condensed Matter · Physics 2026-04-17 James R. N. Tett , Finlay Johnston , Brennan Sprinkle , Alice L. Thorneywork

Vortices and antivortices are typical non uniform magnetization configurations that can be achieved in spin-torque oscillators with in-plane materials. Dynamics of a vortex-antivortex pair, namely vortex dipole, were predicted and already…

Pattern Formation and Solitons · Physics 2018-07-04 A. Giordano , V. Puliafito , L. Torres , M. Carpentieri , B. Azzerboni , G. Finocchio

We have investigated the origin of the magnetic dipole correlations $\langle \sigma_{\boldsymbol{Q}}^z \sigma_{\boldsymbol{-Q}}^z \rangle$ characterized by the modulation wave vector $\boldsymbol{k} \sim…

Strongly Correlated Electrons · Physics 2022-02-09 Hiroaki Kadowaki , Mika Wakita , Björn Fåk , Jacques Ollivier , Seiko Ohira-Kawamura

A recent polarized neutron diffraction experiment on the 5d2 rhenium double perovskite Ba2YReO6 held at a low temperature uncovered weak magnetic diffraction peaks. Data analysis inferred a significantly reduced Re dipole moment, and…

Strongly Correlated Electrons · Physics 2021-03-24 S. W. Lovesey , D. D. Khalyavin , G. van der Laan , G. J. Nilsen

The influence of oscillating quadrupole fields on atomic energy levels is examined theoretically and general expressions for the quadrupole matrix elements are given. The results are relevant to any ion-based clock in which one of the clock…

Quantum Physics · Physics 2019-03-06 Kyle J. Arnold , R. Kaewuan , T. R. Tan , M. D. Barrett

Spin rotation of $\Omega^{\pm}$ baryons channeling in a bent crystal at the LHC in addition to EDM measurement open possibility to study $\Omega^{\pm}$ baryons electric quadrupole moment. Equations for spin and tensor polarization rotation…

High Energy Physics - Phenomenology · Physics 2023-02-16 V. G. Baryshevsky

By using a density matrix renormalization group method, we investigate the ground-state properties of a one-dimensional three-orbital Hubbard model on the basis of a j-j coupling scheme. For $B_4^0 \ne 0$, where $B_4^0$ is a parameter to…

Strongly Correlated Electrons · Physics 2015-06-25 Hiroaki Onishi , Takashi Hotta

Magnetic dipole bands have been identified in 142,143,144Gd and 141Eu nuclei. The observed bands are based on configurations with small oblate deformation involving high-Omega, h11/2 proton particles and low-Omega, h11/2 neutron holes.…

Nuclear Theory · Physics 2007-05-23 Teresa Rzaca-Urban

Non-resonant X-ray magnetic scattering has been used to study the magnetic structure of multiferroic TbMnO3 in its ferroelectric phase. Circularly polarized X-rays were combined with a full polarization analysis of the scattered beam to…

Strongly Correlated Electrons · Physics 2015-05-13 F. Fabrizi , H. C. Walker , L. Paolasini , F. de Bergevin , A. T. Boothroyd , D. Prabhakaran , D. F. McMorrow