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Related papers: A new crystalline phase in magnetar crusts

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We report our numerical results for the effect of magnetic anisotropy on a Skyrmion crystal with a high topological number of two, which was recently discovered in an itinerant electron model [R. Ozawa, S. Hayami, and Y. Motome, Phys. Rev.…

Strongly Correlated Electrons · Physics 2019-03-27 Satoru Hayami , Yukitoshi Motome

External magnetic fields provide a macroscopic control mechanism to influence the microstructure of polycrystalline materials. We model the influence of strong magnetic fields on grain growth in thin films with a magnetic extended phase…

Materials Science · Physics 2023-01-02 Rainer Backofen , Axel Voigt

We report temperature dependent magnetization and neutron diffraction measurements on the corundum related magnetoelectric antiferromagnet Mn$_{4}$Ta$_{2}$O$_{9}$. Measurements performed on a single crystalline specimen reveal that the…

Strongly Correlated Electrons · Physics 2021-01-20 Soumendra Nath Panja , Pascal Manuel , Sunil Nair

Multipolar magnetism is an emerging field of quantum materials research. The building blocks of multipolar phenomena are magnetic ions with a non-Kramers doublet, where the orbital and spin degrees of freedom are inextricably intertwined,…

Strongly Correlated Electrons · Physics 2020-07-08 Adarsh S. Patri , Masashi Hosoi , SungBin Lee , Yong Baek Kim

The ground state of colloidal magnetic particles in a modulated channel are investigated as function of the tilt angle of an applied magnetic field. The particles are confined by a parabolic potential in the transversal direction while in…

Soft Condensed Matter · Physics 2014-04-02 J. E. Galván-Moya , D. Lucena , W. P. Ferreira , F. M. Peeters

We present a minimal model that provides a description of the magnetic and thermodynamic properties of \Eu. The model contains two exchange coupling parameters, which are calculated using Density Functional Theory, and a local easy axis…

Other Condensed Matter · Physics 2021-12-22 D. J. Garcia , V. Vildosola , A. A. Aligia , D. G. Franco , Pablo S. Cornaglia

We investigate the chiral magnetic instability in the crust of a neutron star as a potential mechanism for amplifying magnetic fields. This instability may become active when small deviations from chemical equilibrium are sustained over…

High Energy Astrophysical Phenomena · Physics 2024-08-13 Clara Dehman , José A. Pons

We report a thorough theoretical study of the low temperature phase diagram of Cs_2CuCl_4, a spatially anisotropic spin S=1/2 triangular lattice antiferromagnet, in a magnetic field. Our results, obtained in a quasi-one-dimensional limit in…

Strongly Correlated Electrons · Physics 2015-03-17 Oleg A. Starykh , Hosho Katsura , Leon Balents

We study the orientation in a uniform magnetic field of rod-like anisotropic biofluid crystals with an easy plane that makes an oblique angle with the crystal's c-axis. For a sufficiently strong field, these crystalline rods orient…

Biological Physics · Physics 2024-08-27 Robert J. Deissler , Robert Brown

New visible and K-band polarization measurements on stars surrounding molecular clouds in Orion A and stars in the BN vicinity are presented. Our results confirm that magnetic fields located inside the Orion A molecular clouds and in their…

Astrophysics of Galaxies · Physics 2015-05-30 Frédérick Poidevin , Pierre Bastien , Terry J. Jones

We show that the magnetic anisotropy in spinel-structure CoCr$_2$O$_4$ thin films exhibits a strain dependence in which compressive strain induces an out-of-plane magnetic easy axis and tensile strain an in-plane easy axis, exactly opposite…

We investigate the anisotropic nature of magnetocrystalline coupling between the crystallographic and skyrmion crystal (SKX) lattices in the chiral magnet MnSi by magnetic field-angle resolved resonant ultrasound spectroscopy. Abrupt…

Strongly Correlated Electrons · Physics 2018-04-04 Yongkang Luo , Shi-Zeng Lin , D. M. Fobes , Zhiqi Liu , E. D. Bauer , J. B. Betts , A. Migliori , J. D. Thompson , M. Janoschek , B. Maiorov

Radio quasar sightlines with strong MgII absorption lines display statistically enhanced Faraday Rotation Measures (RM) indicating the presence of additional magneto-active plasma with respect to sightlines free of such absorption. In this…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 M. L. Bernet , F. Miniati , S. J. Lilly

We present the phase diagram of magnetic states for films of isotropic chiral magnets calculated as function of applied magnetic field and thickness of the film. We have found a novel magnetic state driven by the natural confinement of the…

Strongly Correlated Electrons · Physics 2016-06-14 F. N. Rybakov , A. B. Borisov , S. Blügel , N. S. Kiselev

Different configurations of magnetic orders and cation distributions for NiFe2O4 are studied by the density functional based methods with the possible inclusion of the on-site Coulomb interaction U. The lowest energy state is an inverse…

Materials Science · Physics 2011-05-10 Ching Cheng

We present a variational study of the Heisenberg antiferromagnet on the spatially anisotropic triangular lattice in magnetic field. First we construct a simple yet accurate wavefunction for the 1/3-magnetization plateau uud phase on the…

Strongly Correlated Electrons · Physics 2015-03-13 Tiamhock Tay , Olexei I. Motrunich

Large magnetic fields exist in magnetars and are produced in off-central heavy-ion collisions. For the latter, field strengths are estimated to be comparable to strong interaction scales. This fact has motivated many studies of QCD physics…

High Energy Physics - Phenomenology · Physics 2024-08-20 Prabal Adhikari , Brian C. Tiburzi

The electrical resistivity for a current moving perpendicular to layers (chains) in quasi-2D (quasi-1D) metals under an applied magnetic field of varying orientation is studied using Boltzmann transport theory. We consider the simplest…

Statistical Mechanics · Physics 2009-11-13 M. F. Smith , Ross McKenzie

The optical contrast in a phase change material is concomitant with its structural transition. We connect these two by first recognizing that Friedel oscillations couple electrons propagating in opposite directions and supply an additional…

Materials Science · Physics 2020-09-07 J C Martinez , R E Simpson

We have performed neutron diffraction measurement on a single crystal of parent compound of iron-based superconductor, BaFe$_2$As$_2$ at 12~K. In order to investigate in-plane anisotropy of magnetic form factor in the antiferromagnetic…

Superconductivity · Physics 2015-06-22 K. Kodama , M. Ishikado , S. Wakimoto , K. Kohou , C. H. Lee , A. Iyo , H. Eisaki , S. Shamoto