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The magnetoresistance of a granular superconductor in a strong magnetic field destroying the gap in each grain is considered. It is assumed that the tunneling between grains is sufficiently large such that all conventional effects of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. S. Beloborodov , K. B. Efetov

We find that the chromomagnetic instability existing in neutral two- flavor color superconductivity at moderate densities is removed by the formation of an inhomogeneous condensate of charged gluons and the corresponding induction of a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Efrain J. Ferrer , Vivian de la Incera

Screening of an external random potential by a two dimensional (2D) Fermi liquid may be strongly dependent on the degree of its polarization. This is considered as a possible mechanism for the observed strong magnetoresistance of the 2D…

Strongly Correlated Electrons · Physics 2009-10-31 Igor F. Herbut

In this paper we have studied the effect of external magnetic field in the co-existing phase of superconducting and anti-ferromagnetism of rare earth nickel borocarbides. The anti-ferromagnetism in these systems might have originated due to…

Superconductivity · Physics 2020-03-03 Salila Das , Prakash Chandra Padhi

Intrinsic magnetoelectric coupling describes the interaction between magnetic and electric polarization through an inherent microscopic mechanism in a single phase material. This phenomenon has the potential to control the magnetic state of…

We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

Superconductivity · Physics 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

In the presence of strong magnetic fields, the vacuum becomes a birefringent medium. We show that this QED effect decouples the polarization modes of photons leaving the NS surface. Both the total intensity and the intensity in each of the…

Astrophysics · Physics 2009-11-07 Jeremy S. Heyl , Nir J. Shaviv , Don Lloyd

We study color superconductivity in external magnetic field. We discuss the reason why the mixing angles in color-flavor locked (CFL) and two-flavor superconductivity (2SC) phases are different despite the fact that the CFL gap goes to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. V. Gorbar

Magneto-electric effect in a multiferroic heterostructure film, i.e. a coupled ferromagnetic-ferroelectric thin film, has been investigated through the use of the Metropolis algorithm in Monte Carlo simulations. A classical Heisenberg model…

Mesoscale and Nanoscale Physics · Physics 2016-06-03 Zidong Wang , Malcolm Grimson

During the study of magnetoresistivity in La(1-x)Ca(x)MnO(3) it was found that after cycling of the magnetic field, some kind of magnetic field memory effect was observed. For La0.5Ca0.5MnO3 after cycling of the magnetic field to 13T and…

Strongly Correlated Electrons · Physics 2007-05-23 E. P. Khlybov , R. A. Sadykov , I. J. Kostyleva , W. I. Nizhankovskij , A. J. Zaleski , D. Wlosewicz , A. W. Giulitin

We study the effect of strong magnetic field on competing chiral and diquark order parameters in a regime of moderately dense quark matter. The inter-dependence of the chiral and diquark condensates through nonperturbative quark mass and…

High Energy Physics - Phenomenology · Physics 2017-02-15 Tanumoy Mandal , Prashanth Jaikumar

Electronic properties of metallic and semiconducting carbon nanotubes are investigated in presence of magnetic field perpendicular to the CN-axis, and disorder introduced through energy site randomness. The magnetic field field is shown to…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Stephan Roche , Riichiro Saito

The proximity effect in a model manganite-cuprate system is investigated theoretically. We consider a situation in which spin-polarized electrons in manganite layers antiferromagnetically couple with electrons in cuprate layers as observed…

Strongly Correlated Electrons · Physics 2010-12-15 Juan Salafranca , Satoshi Okamoto

The weak field average magnetic susceptibility of square shaped mesoscopic conductors is studied within a semiclassical framework. Long semiclassical trajectories are strongly affected by static disorder and differ sharply from those of…

Condensed Matter · Physics 2009-10-22 Yuval Gefen , Daniel Braun , Gilles Montambaux

The magnetoelectric coupling effect with profound physics and enormous potential applications has provoked a great number of research activities in materials science. Here, we report that the reversible orbital reconstruction driven by…

Strongly Correlated Electrons · Physics 2015-09-08 Bin Cui , Cheng Song , Haijun Mao , Huaqiang Wu , Fan Li , Jingjing Peng , Guangyue Wang , Fei Zeng , Feng Pan

We report on the exchange bias between antiferromagnetic and ferroelectric hexagonal YMnO3 epitaxial thin films sandwiched between a metallic electrode (Pt) and a soft ferromagnetic layer (Py). Anisotropic magnetoresistance measurements are…

Strongly Correlated Electrons · Physics 2009-11-13 V. Laukhin , X. Marti , V. Skumryev , D. Hrabovsky , F. Sanchez , M. V. Garcia-Cuenca , C. Ferrater , M. Varela , U. Luders , J. F. Bobo , J. Fontcuberta

The magneto-conductance of an InAs nanowire is investigated with respect to the relative orientation between external magnetic field and the nanowire axis. It is found that both the perpendicular and the parallel magnetic fields induce a…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Dong Liang , Juan Du , Xuan P. A. Gao

We investigate magnetic field $(eB)$ dependence of constituent quark mass, the longitudinal and transverse pressure as well as the magnetization and magnetic susceptibility of strongly interacting quark matter. We employ the two-flavour…

High Energy Physics - Phenomenology · Physics 2022-09-27 Nilanjan Chaudhuri , Snigdha Ghosh , Pradip Roy , Sourav Sarkar

We have discovered strong magnetoelectric (ME) effects in the single chiral-helical magnetic state of single-crystalline langasite Ba3NbFe3Si2O14 that is crystallographically chiral. The ferroelectric polarization, predominantly aligned…

Strongly Correlated Electrons · Physics 2014-03-26 Nara Lee , Young Jai Choi , Sang-Wook Cheong

We consider an effect of a strong magnetic field on the ground state and macroscopic coherent tunneling in small antiferromagnetic particles with uniaxial and biaxial single-ion anisotropy. We find several tunneling regimes that depend on…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. A. Ivanov , V. E. Kireev