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Related papers: Chiral scattering in complex magnets

200 papers

We propose a way to observe the chiral magnetic effect in non-centrosymmetric Weyl semimetals under the action of strong electric field, via the non-linear part of their I-V characteristic that is odd in the external magnetic field, or…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 S. Nandy , D. A. Pesin

The magnetic excitations in Sr$_2$RuO$_4$ are studied by polarized and unpolarized neutron scattering experiments as a function of temperature. At the scattering vector of the Fermi-surface nesting with a half-integer out-of-plane…

Superconductivity · Physics 2021-03-24 K. Jenni , S. Kunkemöller , P. Steffens , Y. Sidid , R. Bewley , Z. Q. Mao , Y. Maeno , M. Braden

We consider a twisted magnetic bilayer subject to the perpendicular electric field. The interplay of induced Dzyaloshinskii - Moriya interaction and spatially varying moir\'e exchange potential results in complex non-collinear magnetic…

Mesoscale and Nanoscale Physics · Physics 2023-08-11 Polina Shaban , Igor Lobanov , Valerii Uzdin , Ivan Iorsh

We study consistently the effects of magnetic field on hot and dense matter. In particular, we look for differences that arise due to assumptions that reproduce the conditions produced in particle collisions or astrophysical scenarios, such…

Nuclear Theory · Physics 2023-09-28 J. Peterson , P. Costa , R. Kumar , V. Dexheimer , R. Negreiros , C. Providencia

We present a theory of magnetotransport phenomena related to the chiral anomaly in Weyl semimetals. We show that conductivity, thermal conductivity, thermoelectric and the sound absorption coefficients exhibit strong and anisotropic…

Mesoscale and Nanoscale Physics · Physics 2016-02-10 B. Z. Spivak , A. V. Andreev

Motivated by recent experimental polarized neutron results, we present a numerical micromagnetic study of the interfacial (intergrain) Dzyaloshinskii-Moriya interaction (DMI) in nanocrystalline terbium. We demonstrate that the DMI-induced…

Mesoscale and Nanoscale Physics · Physics 2023-08-16 S. Erokhin , D. Berkov , A. Michels

Initial states of dense matter with nonzero electron chiral imbalance could potentially give rise to strong magnetic fields through chiral plasma instability. Previous work indicated that unless chiral chemical potential is as large as the…

High Energy Physics - Phenomenology · Physics 2026-05-01 Srimoyee Sen , Varun Vaidya

We have investigated multiple scattering of light in systems subject to magneto-chiral (MC) effects. Our medium consists of magneto-optically active dipoles placed in a chiral geometry under the influence of an external magnetic field. We…

Condensed Matter · Physics 2009-11-07 F. A. Pinheiro , B. A. van Tiggelen

We study the properties of spin-polarized neutron matter at next-to-next-to-next-to-leading order in chiral effective field theory, including two-, three-, and four-neutron interactions. The energy of spin-polarized neutrons is remarkably…

Nuclear Theory · Physics 2016-02-22 T. Krüger , K. Hebeler , A. Schwenk

The theory of orbital magnetism in disordered metals is reviewed, and extended to include a broad range of temperatures and fields. Sample-to-sample fluctuations in the orbital magnetic susceptibility are studied. In a given sample these…

Condensed Matter · Physics 2009-10-31 B. Shapiro

The critical spin fluctuations in doped compounds Mn$_{1-y}$Fe$_y$Si have been studied by means of ac-susceptibility measurements, polarized neutron small angle scattering and spin echo spectroscopy. It is shown that these compounds undergo…

Materials Science · Physics 2011-06-23 S. V. Grigoriev , E. V. Moskvin , V. A. Dyadkin , D. Lamago , Th. Wolf , H. Eckerlebe , S. V. Maleyev

The electromagnetic field in a magnetized neutron star and the underlying volume charges and currents are found. A general case of a rigidly rotating neutron star with infinite conductivity, arbitrary distribution of the internal magnetic…

High Energy Astrophysical Phenomena · Physics 2016-12-30 D. N. Sob'yanin

We derive a nonlocal effective Lagrangian for the chiral magnetic effect. An electric field is generated by winding number fluctuations of the nonabelian gauge field in the presence of a strong magnetic field. We estimate the magnitude of…

High Energy Physics - Phenomenology · Physics 2010-12-23 Berndt Müller , Andreas Schäfer

The electromagnetic potential consisting in the Coulomb plus the magnetic moment interactions between two nucleons is studied in nucleon-deuteron scattering. For states in which the relative N-d angular momentum L has low values the…

Nuclear Theory · Physics 2009-11-10 A. Kievsky , M. Viviani , L. E. Marcucci

The magnetic properties of (111)-oriented Rh/Co/Pt and Pd/Co/Pt multilayers are investigated by first-principles calculations. We focus on the interlayer exchange coupling, and identify thicknesses and composition where a typical…

Materials Science · Physics 2018-10-24 Hongying Jia , Bernd Zimmermann , Stefan Blügel

Chiral perturbation theory, the low energy effective theory of the strong interactions for the light pseudoscalar degrees of freedom, is based on effective Lagrangian techniques and is an expansion in the powers of the external momenta and…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Ananthanarayan , P. Büttiker

We combine the anisotropy of magnetic interactions and the point symmetry of finite solids in the study of dipolar clusters as new basic units for multiferroics metamaterials. The hamiltonian of magnetic dipoles with an easy axis at the…

Materials Science · Physics 2020-12-03 Paula Mellado , Andres Concha , Sergio Rica

In inhomogeneous bulk ferromagnets, the dominating sources of spin disorder are related to spatial variations of (i) the magnitude of the local saturation magnetization and of (ii) the magnitude and/or direction of the magnetic anisotropy…

Mesoscale and Nanoscale Physics · Physics 2015-08-05 Sergey Erokhin , Dmitry Berkov , Andreas Michels

The threshold region for processes of hadronic and nuclear interactions is very interesting for a theoretical as well as an experimental point of view. In this region one can apply different physical methods, starting from classical current…

Nuclear Theory · Physics 2007-05-23 Egle Tomasi-Gustafsson , Michail P. Rekalo

By inelastic neutron scattering, we have analyzed the magnetic correlations in the paramagnetic metallic region of the series Ca(2-x)Sr(x)RuO(4), 0.2<=x<=0.62. We find different contributions that correspond to 2D ferromagnetic fluctuations…

Strongly Correlated Electrons · Physics 2012-02-09 P. Steffens , O. Friedt , Y. Sidis , P. Link , J. Kulda , K. Schmalzl , S. Nakatsuji , M. Braden