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Related papers: Magnetic field dependent impact ionization in InSb

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Fully-relativistic first-principles calculations of the Fe(001) surface demonstrate that resonant surface (interface) states may produce sizeable tunneling anisotropic magnetoresistance in magnetic tunnel junctions with a single magnetic…

The field-induced multiferroic transition in TbMnO3 has been studied by neutron scattering. Apart strong hysteresis, the magnetic transition associated with the flop of electronic polarization exhibits a memory effect: after a field sweep,…

Strongly Correlated Electrons · Physics 2009-11-13 D. Senff , P. Link , N. Aliouane , D. N. Argyriou , M. Braden

The tunneling splitting of the energy levels of a ferromagnetic particle in the presence of an applied magnetic field - previously derived only for the ground state with the path integral method - is obtained in a simple way from…

Condensed Matter · Physics 2019-08-17 J. -Q. Liang , H. J. W. Mueller-Kirsten , A. V. Shurgaia , F. Zimmerschied

Using an isospin- and momentum-dependent transport model, we examine the effects of an electric field induced by a variable magnetic field on the \pi^{-}/\pi^{+} ratio in central to peripheral heavy-ion collisions at beam energies of 400…

Nuclear Theory · Physics 2016-08-03 Gao-Feng Wei , Shi-Hai Dong , Xin-Wei Cao , Yun-Liang Zhang

Electrical current manipulation of magnetization switching through spin-orbital coupling in ferromagnetic semiconductor (Ga,Mn)As Hall bar devices has been investigated. The efficiency of the current-controlled magnetization switching is…

We extend a microscopic theory of polarization and magnetization to include the spin degree of freedom of the electrons, introducing a general spin orbit coupling and Zeeman interaction term in the Hamiltonian. At finite frequencies and…

Mesoscale and Nanoscale Physics · Physics 2023-07-11 Alistair H. Duff , J. E. Sipe

We present a theoretical study of spin-dependent transport through a ferromagnetic domain wall. With an increase of the number of components of the exchange coupling, we have observed that the variance of the conductance becomes half. As…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 J. Ohe , M. Yamamoto , T. Ohtsuki , K. Slevin

We show that electrons recolliding with the ionic core upon tunnel ionization of noble gas atoms driven by a strong circularly polarized laser field in combination with a counter-rotating second harmonic are spin polarized and that their…

Atomic Physics · Physics 2017-08-02 David Ayuso , Álvaro Jiménez-Galán , Felipe Morales , Misha Ivanov , Olga Smirnova

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 summarize our recent findings on how current-driven magnetization switching and magnetoresistance in nanofabricated magnetic multilayers are affected by varying the spin-scattering properties of the non-magnetic spacers, the relative…

Materials Science · Physics 2009-11-10 S. Urazhdin , H. Kurt , M. AlHajDarwish , Norman O. Birge , W. P. Pratt , J. Bass

Current-induced switching is considered in a magnetic junction. The junction includes pinned and free ferromagnetic layers which work in the regime of the high spin injection. It is shown that in such a regime the exchange magnetization…

Materials Science · Physics 2015-05-13 S. G. Chigarev , E. M. Epshtein , P. E. Zilberman

Magnetic field reconnection is often invoked to explain electromagnetic energy conversion in planetary magnetospheres, stellar coronae, and other astrophysical objects. Because of the huge dynamic range of magnetic fields in these bodies,…

Solar and Stellar Astrophysics · Physics 2015-05-19 Forrest S. Mozer , Arthur Hull

Current-induced spin-orbit torques provide a versatile tool for switching magnetic devices. In perpendicular magnets, the dampinglike component of the torque is the main driver of magnetization reversal. The degree to which the fieldlike…

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

Intrinsic magnetic fields have long been thought to shield planets from atmospheric erosion via stellar winds; however, the influence of the plasma environment on atmospheric escape is complex. Here we study the influence of a weak…

Earth and Planetary Astrophysics · Physics 2019-07-09 Hilary Egan , Riku Jarvinen , Yingjuan Ma , David Brain

Interfacing a ferromagnet with a polarized ferroelectric gate generates a non-uniform, interfacial spin density coupled to the ferroelectric polarization allowing so for an electric field control of effective transversal field to…

Strongly Correlated Electrons · Physics 2017-09-06 Yaojin Li , Min Chen , Jamal Berakdar , Chenglong Jia

A single-sided magnet generates a magnetic field on only one side while canceling it on the opposite side, a feature that has enabled diverse applications in both fundamental science and engineering. Here, we propose the {\it inverse}…

Strongly Correlated Electrons · Physics 2025-04-10 Takayuki Ishitobi

The influence of a magnetic field on the tunneling of an electron out of a confining plane is studied by a path integral method. We map this 3-d problem on to a 1-d one, and find that the tunneling is strongly affected by the field. Without…

Condensed Matter · Physics 2009-10-22 Ping Ao

Electrical magnetoresistance and tunnel diode oscillator measurements were performed under external magnetic fields up to 41 T applied along the crystallographic b-axis (hard axis) of UTe$_2$ as a function of temperature and applied…

We present a detailed numerical analysis of the effect of a magnetic field on the transport properties of a `small-$N$' one-sided surface disordered wire. When time reversal symmetry is broken due to a magnetic field $B$, we find a strong…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 A. García-Martín , M. Governale , P. Wölfle
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