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The nature and symmetry of the transition mechanisms in the spin-spiral copper halides CuCl$_2$ and CuBr$_2$ are analyzed theoretically. The magnetoelectric effects observed in the two multiferroic compounds are described and their phase…

The magnetized phase diagram for three-flavor quark matter is studied within the Polyakov extended Nambu--Jona-Lasinio model. The order parameters are analyzed with special emphasis on the strange quark condensate. We show that the presence…

High Energy Physics - Phenomenology · Physics 2018-02-07 Márcio Ferreira , Pedro Costa , Constança Providência

We report observation of magneto-electric and magneto-dielectric couplings in ceramic Co3TeO6. Temperature dependent DC magnetization and dielectric constant measurements together indicate coupling between magnetic order and electronic…

Materials Science · Physics 2013-09-26 Harishchandra Singh , Haranath Ghosh , A. K. Sinha , M. N. Singh , G. Sharma , S. Patnaik , S. K. Deb

Spontaneous magnetization of quark liquid is examined on the analogy with that in electron gas. It is pointed out that quark liquid has potential to be ferromagnetic at rather low densities, around nuclear saturation density. Somme comments…

Astrophysics · Physics 2007-05-23 Toshitaka Tatsumi

A possible experimental observation of the chiral magnetic effect in heavy ion collisions at RHIC was recently reported by the STAR Collaboration. We study signatures of this effect in SU(2) lattice gluodynamics with the chirally invariant…

High Energy Physics - Lattice · Physics 2010-11-05 P. V. Buividovich , M. N. Chernodub , E. V. Luschevskaya , M. I. Polikarpov

Ensembles of gold nanoparticles present a magnetic behavior which is at odds with the weakly diamagnetic response of bulk gold. In particular, an unusual ferromagnetic order has been unveiled by several experiments. Here we investigate if…

Mesoscale and Nanoscale Physics · Physics 2022-02-08 Gaëtan J. Percebois , Dietmar Weinmann , Rodolfo A. Jalabert , Guillaume Weick

We study the properties of the shear viscosity coefficient of quark matter at finite temperature and chemical potential near chiral phase transition in a strong background magnetic field. A strong magnetic field induces anisotropic…

High Energy Physics - Phenomenology · Physics 2023-02-08 Xueqiang Zhu , Sheng-Qin Feng

Possible manifestation of a dual chiral density wave in quark matter is discussed in relation to the chiral symmetry of QCD, which is described by a dual standing wave of the scalar and pseudo-scalar densities. It is demonstrated that quark…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Tatsumi , E. Nakano

The interaction between spherical magnetic nanoparticles is investigated from micromagnetic simulations and ananlysed in terms of the leading dipolar interaction energy between magnetic dipoles. We focus mainly on the case where the…

Materials Science · Physics 2009-04-14 V. Russier

The disordered random-anisotropy magnetic nanoparticle systems with competing dipolar interactions and ferromagnetic exchange couplings are investigated by Monte Carlo simulations. Superspin glass (SSG) and superferromagnetic (SFM)…

Disordered Systems and Neural Networks · Physics 2015-05-27 Zhongquan Mao , Xi Chen

We study the photon self-energy for the in-medium photon in a three-flavor color superconductor in the presence of a magnetic field. At strong magnetic field, the quark dynamics becomes $(1+1)$-dimensional and the self-energy tensor only…

High Energy Physics - Theory · Physics 2015-06-04 Bo Feng , Efrain J. Ferrer , Vivian de la Incera

In a lattice formulation of SU(2)-gluodynamics, the spontaneous generation of chromomagnetic fields at high temperature is investigated. A procedure to determine this phenomenon is developed. By means of the $\chi^2$-analysis of the data…

High Energy Physics - Lattice · Physics 2008-11-26 V. Demchik , V. Skalozub

The spontaneous generation of the chromomagnetic field at high temperature is investigated in a lattice formulation of the SU(2)-gluodynamics. The procedure of studying this phenomenon is developed. The Monte Carlo simulations of the free…

High Energy Physics - Lattice · Physics 2007-05-23 Vadim Demchik , Vladimir Skalozub

We argue that a pseudo-one-dimensional electron gas is magnetized when a voltage bias is applied with the Fermi level tuned to be in the energy gap generated by a spin-orbit interaction. The magnetization is an indication of spin-carrying…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Naomichi Hatano , Ryoen Shirasaki , Hiroaki Nakamura

The chiral model is used to describe quark matter under strong magnetic fields and compared to other models, the MIT bag model and the two flavors Nambu-Jona-Lasinio model. The effect of vacuum corrections due to the magnetic field is…

Nuclear Theory · Physics 2011-05-13 Aziz Rabhi , Constança Providência

The effect of a strong magnetic field on the electric polarization of a three-flavor color superconducting medium is investigated. We found that the electric susceptibility of this strongly magnetized medium is highly anisotropic. In the…

Nuclear Theory · Physics 2015-05-30 Bo Feng , Efrain J. Ferrer , Vivian de la Incera

We study the effects of moderately strong magnetic fields on the properties of color-flavor locked color superconducting quark matter in the framework of the Nambu-Jona-Lasinio model. We find that the energy gaps, which describe the color…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jorge L. Noronha , Igor A. Shovkovy

To assess the possibility of homogeneous nucleation of quark matter in magnetars, we investigate the formation of chirally symmetric droplets in a cold and dense environment in the presence of an external magnetic field. As a framework, we…

High Energy Physics - Phenomenology · Physics 2015-06-23 Daniel Kroff , Eduardo S. Fraga

Spontaneous magnetization of quark liquid is examined. It is pointed out that quark liquid has potential to be ferromagnetic at rather low densities.

Nuclear Theory · Physics 2017-08-23 Toshitaka Tatsumi

We perform a first principle calculation on the electronic properties of carbon doped graphitic boron nitride graphitic BN. It was found that carbon substitution for either boron or nitrogen atom in graphitic BN can induce spontaneous…

Other Condensed Matter · Physics 2009-11-11 R. Wu , L. Liu , Y. P. Feng