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The values of electrical conductivity of plasma of stars with a magnetic field or moving in the magnetic field of the other component in a binary system could be of significant interest, since they are useful for the study of thermal…

We discuss the origin of the effectively free dynamics of the charge in the magnetic monopole field to apply it for finding the alternative treatment of the charge-monopole as a particle with spin, for tracing out the relation of the…

High Energy Physics - Theory · Physics 2009-11-07 Mikhail S. Plyushchay

The existence of mirror fermions interacting strongly under a new gauge group and having masses near the electroweak scale has been recently proposed as a viable alternative to the standard-model Higgs mechanism. The main purpose of this…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Triantaphyllou

The system of interacting spinless fermions hopping on a two-leg ladder in the presence of an external magnetic field is shown to possess a long range order: the bond density wave or the staggered flux phase. In both cases the elementary…

Strongly Correlated Electrons · Physics 2012-07-31 B. N. Narozhny , S. T. Carr , A. A. Nersesyan

Domain wall fermions (DWF) are a new fermion discretization scheme with greatly improved chiral symmetry. Our final goal is to study the nucleon spin structure through lattice simulation using DWF. In this paper, we present our current…

High Energy Physics - Lattice · Physics 2017-08-23 Shoichi Sasaki

We predict that magnon motive force can lead to temperature dependent, nonlinear chiral damping in both conducting and insulating ferromagnets. We estimate that this damping can significantly influence the motion of skyrmions and domain…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 Utkan Güngördü , Alexey A. Kovalev

Results are given from a density matrix renormalization group study of pairing on a striped $t$-$t'$-$J$ lattice in the presence of boundary magnetic and pair fields. We find that pairing on a stripe depends sensitively on both $J/t$ and…

Strongly Correlated Electrons · Physics 2013-05-29 Steven R. White , D. J. Scalapino

We address the question whether features known from quantum chromodynamics (QCD) can possibly also show up in solid-state physics. It is shown that spinless fermions of charge $e$ on a checkerboard lattice with nearest-neighbor repulsion…

Strongly Correlated Electrons · Physics 2007-05-23 F. Pollmann , P. Fulde

We report a nonsaturating linear magnetoresistance in charge-compensated bilayer graphene in a temperature range from 1.5 to 150 K. The observed linear magnetoresistance disappears away from charge neutrality ruling out the traditional…

Screening of the electric field of a test charge by monolayer and double-layer composite fermion systems is considered. It is shown that the electric field of the test charge is partly screened at distances much large then the magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 D. V. Fil

The inclination of the magnetic domain wall plane in electric field is observed. The simple theoretical model of this phenomenon that takes into account the spin flexoelectricity is proposed. The value of electric polarization of the…

Strongly Correlated Electrons · Physics 2013-01-29 A. P. Pyatakov , A. S. Sergeev , D. A. Sechin , A. V. Nikolaev , E. P. Nikolaeva , L. E. Calvet

We have reconsidered the problem of spin injection across ferromagnet/non-magnetic-semiconductor (FM/NMS) and dilute-magnetic-semiconductor/non-magnetic-semiconductor interfaces, for structures with \textit{finite} magnetic layers (FM or…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Alexander Khaetskii , J. Carlos Egues , Daniel Loss , Charles Gould , Georg Schmidt , Laurens W. Molenkamp

Graphene, due to its superior stretchability, exhibits rich structural deformation behaviors and its strain-engineering has proven useful in modifying its electronic and magnetic properties. Despite the strain-sensitivity of the Raman G and…

Materials Science · Physics 2012-09-04 Ji Eun Lee , Gwanghyun Ahn , Jihye Shim , Young Sik Lee , Sunmin Ryu

Using the low-energy effective field theory for magnons and holes -- the condensed matter analog of baryon chiral perturbation theory for pions and nucleons in QCD -- we study different phases of doped antiferromagnets. We systematically…

Strongly Correlated Electrons · Physics 2008-11-26 C. Brügger , C. P. Hofmann , F. Kämpfer , M. Pepe , U. -J. Wiese

We studied exchange bias in magnetic multilayers incorporating antiferromagent CoO doped with up to 35 atomic percent of Pt. The exchange bias increased with doping in epitaxial films, but did not significantly change in polycrystalline…

Materials Science · Physics 2008-07-09 Sergei Urazhdin , Phillip Tabor , Weng-Lee Lim

Striped phases in which spin and charge separate into different regions in the material have been proposed to account for the unusual properties of the high-$T_c$ cuprate superconductors. The driving force for a striped phase is the charge…

Superconductivity · Physics 2009-11-07 H. A. Mook , F. Dogan

The magnitude of the staggered field is calculated from the EPR data for CuGeO3 doped with Co and Fe magnetic impurities. It is found that this parameter demonstrate an anomalous temperature and magnetic field dependence probably due to (i)…

Strongly Correlated Electrons · Physics 2007-05-23 S. V. Demishev

We present an experiment where three mesoscopic soft ferromagnetic beads are placed onto a liquid surface and submitted to the influence of magnetic fields. A vertical magnetic field creates a repulsion which counterbalances the capillary…

Mechanically bent nickel nanowires show clear features in their room temperature magnetoresistance when a domain wall is pinned at the location of the bend. By varying the direction of an applied magnetic field, the wire can be prepared…

Materials Science · Physics 2007-05-23 D. M. Silevitch , M. Tanase , C. L. Chien , D. H. Reich

This paper is an extension of our earlier work where we had reported a proof of concept for a ferrofluid based damper. The damper used ferrofluid as damping medium and it was seen that damping efficiency of the damper changes on application…

Materials Science · Physics 2022-01-25 Durga N K P Rao Miriyala , P S Goyal