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At the zero temperature limit, a one-dimensional steady solution to the hydrodynamic equation of a U(2) invariant superfluid is obtained. This solution reveals that the magnitude of magnetization is always directly proportional to the…

Quantum Gases · Physics 2025-04-03 Guang-Xin Pang , Yi-Cai Zhang

The total magnetic energy of Lithium ferrite thin films was determined using the classical Heisenberg Hamiltonian. The short range magnetic dipole interactions between spins within one unit cell and the interactions between spins in two…

Other Condensed Matter · Physics 2017-04-12 P. Samarasekara , C. K. D. Sirimanna

We derive a closed-form expression of the magnetic field of a finite-size current sheet and use it to calculate the field of permanent magnets, which are modeled through their surface current densities. We illustrate the method by…

Applied Physics · Physics 2022-11-02 Volker Ziemann

A novel approach to electronic correlations in magnetic crystals which takes into account a dynamical many-body effects is present. In order to to find a frequency dependence of the electron self energy, an effective quantum-impurity…

Strongly Correlated Electrons · Physics 2007-05-23 A. I. Lichtenstein , M. I. Katsnelson

The polarization operator in a constant and homogeneous magnetic field of arbitrary strength is investigated on mass shell. The calculations are carried out at all photon energies higher the pair creation threshold as well as lower this…

High Energy Physics - Theory · Physics 2014-11-11 V. M. Katkov

We study the validity and limitations of a macrospin model to describe the voltage-controlled manipulation of ferromagnetic magnetization in nickel thin film/piezoelectric actuator hybrid structures. To this end, we correlate simultaneously…

Materials Science · Physics 2012-04-24 A. Brandlmaier , M. Brasse , S. Geprägs , M. Weiler , R. Gross , S. T. B. Goennenwein

The continual model of the nonuniform magnetism in thin films and wires of a diluted magnetic semiconductor is considered with taking into account the finite spin polarization of carriers responsible for the indirect interaction of magnetic…

Materials Science · Physics 2015-05-13 E. Z. Meilikhov , R. M. Farzetdinova

We report thermodynamic magnetization measurements of a 2-dimensional electron gas for several high mobility Si-MOSFETs. The low-temperature magnetization is shown to be strongly sub-linear function of the magnetic field. The susceptibility…

Strongly Correlated Electrons · Physics 2009-11-02 N. Teneh , A. Yu. Kuntsevich , V. M. Pudalov , T. M. Klapwijk , M. Reznikov

It is pointed, that effects of refraction of electromagnetic radiation in the medium, formed by the magnetized vacuum, become essential already for relatively soft photons, not hard enough to create an electron-positron pair, including…

High Energy Physics - Theory · Physics 2007-05-23 A. E. Shabad

Computing the electromagnetic field due to a periodic grating is critical for assessing the performance of thin film solar voltaic devices. In this paper we investigate the computation of these fields in the time domain (similar problems…

Numerical Analysis · Mathematics 2015-08-10 Li Fan , Peter Monk

We consider a thin superconducting film with a magnetic dot with permanent magnetization (normal to the film) placed on it by a method based on London-Maxwell equations. For sufficiently high dot magnetization a single vortex appears in the…

Superconductivity · Physics 2009-01-14 Zoran Ristivojevic

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 obtain a set of general formulae for determining magnetizations, including the usual electromagnetic magnetization as well as the gravitomagnetic energy magnetization. The magnetization corrections to the thermal transport coefficients…

Statistical Mechanics · Physics 2011-12-15 Tao Qin , Qian Niu , Junren Shi

We have studied spin excitations in nanosized magnetic films in the Heisenberg model with magnetic dipole and exchange interactions by the spin operator diagram technique. Dispersion relations of spin waves in thin magnetic films (in…

Mesoscale and Nanoscale Physics · Physics 2011-11-16 L. V. Lutsev

Explicit analytical expressions for conductivity of a superconducting film above and below critical temperature in an arbitrary electric field are derived in the frameworks of the time dependent Ginzburg-Landau theory. It is confirmed that…

Superconductivity · Physics 2021-01-05 T. M. Mishonov , A. M. Varonov , I. Chikina , A. A. Varlamov

We have studied the spin polarized hot neutron matter in the presence of strong magnetic field. In this work, using the lowest order constrained variational method at finite temperature and employing $AV_{18}$ nuclear potential, some…

Nuclear Theory · Physics 2012-12-11 G. H. Bordbar , Z. Rezaei

We calculate the magnetization of a two-dimensional superconductor in a perpendicular magnetic field near its Kosterlitz-Thouless transition and at lower temperatures. We find that the critical behavior is more complex than assumed in the…

Superconductivity · Physics 2013-05-29 Vadim Oganesyan , David A. Huse , S. L. Sondhi

In this work, magnetization dynamics is studied at low temperatures in a hybrid system that consists of thin epitaxial magnetic film coupled with superconducting planar microwave waveguide. The resonance spectrum was observed in a wide…

Motivated by the observed thickness-scaling of the coercive field in ferroelectric films over five decades, we develop a statistical approach towards understanding the conceptual underpinnings of this behavior. Here the scaling exponent is…

Materials Science · Physics 2007-05-23 P. Chandra , M. Dawber , P. B. Littlewood , J. F. Scott

Thin epitaxial films of Tb metal were grown on a clean W(110) substrate in ultra-high vacuum and studied in-situ by low-energy electron microscopy. Annealed films present magnetic contrast in spin-polarized low-energy electron microscopy.…

Materials Science · Physics 2016-12-01 J. E. Prieto , Gong Chen , A. K. Schmid , J. de la Figuera