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相关论文: Magnetic Field Inversion in Vortices in Multilayer…

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Spin-polarized transport through a band-gap-matched ZnSe/Zn_{1-x}Mn_{x} Se/ZnSe/Zn_{1-x}Mn_{x}Se/ZnSe multilayer structure is investigated. The resonant transport is shown to occur at different energies for different spins owing to the…

介观与纳米尺度物理 · 物理学 2009-11-13 Zhen-Gang Zhu , Gang Su

We discover a transition from extended to localized quasi-modes for light in a gas of immobile two-level atoms in a magnetic field. The transition takes place either upon increasing the number density of atoms in a strong field or upon…

光学 · 物理学 2015-02-09 S. E. Skipetrov , I. M. Sokolov

In twisted homobilayer transition metal dichalcogenides, intra- and inter-layer valley excitons hybridize with the layer configurations spatially varying in the moir\'e. The ground state valley excitons are trapped at two high-symmetry…

介观与纳米尺度物理 · 物理学 2021-05-27 Hongyi Yu , Wang Yao

A low energy radioactive beam of polarized $^8$Li has been used to observe the vortex lattice near the surface of superconducting NbSe$_2$. The inhomogeneous magnetic field distribution associated with the vortex lattice was measured using…

We demonstrate a unique prospect for inducing anisotropic vortex pinning and manipulating the directional motion of vortices using the stripe domain patterns of a uniaxial magnetic film in a the superconducting/ferromagnetic hybrid. Our…

超导电性 · 物理学 2009-11-13 V. Vlasko-Vlasov , U. Welp , G. Karapetrov , V. Novosad , A. Belkin , D. Rosenmann , M. Iavarone , W. -K. Kwok

A significant anisotropy of the magnetic-field driven superconductor-insulator transition is observed in thin films of amorphous indium-oxide. The anisotropy is largest for more disordered films which have a lower transition field. At…

超导电性 · 物理学 2015-07-22 A. Johansson , N. Stander , E. Peled , G. Sambandamurthy , D. Shahar

In the frame of an exactly solvable model we calculate electric and magnetic fields created by uniformly moving lattice of Josephson vortices driven by the transport current in the magnetic field parallel to conducting layers. The…

超导电性 · 物理学 2007-05-23 S. N. Artemenko , S. V. Remizov

Vortices are localized planar structures that attain topological stability and can be used to describe collective behavior in a diversity of situations of current interest in nonlinear science. In high energy physics, vortices engender…

高能物理 - 理论 · 物理学 2019-10-30 D. Bazeia , M. A. Liao , M. A. Marques , R. Menezes

We study the dimensional crossover of weak localization in strongly anisotropic systems. This crossover from three-dimensional behavior to an effective lower dimensional system is triggered by increasing temperature if the phase coherence…

无序系统与神经网络 · 物理学 2009-10-30 C. Mauz , A. Rosch , P. Woelfle

On the basis of Eilenberger theory, we study the vortex state when a magnetic field is applied nearly parallel to the ab plane in a chiral p-wave superconductor with a large anisotropy ratio of ab and c, as in Sr2RuO4. We quantitatively…

超导电性 · 物理学 2014-04-22 Masahiro Ishihara , Yuujirou Amano , Masanori Ichioka , Kazushige Machida

We analyze a square lattice graph in a magnetic field assuming that the vertex coupling is of a particular type violating the time reversal invariance. Calculating the spectrum numerically for rational values of the flux per plaquette we…

数学物理 · 物理学 2023-05-31 Marzieh Baradaran , Pavel Exner , Jiří Lipovský

The fluorescence spectra of a sub-micron atomic cesium vapor layer observable under resonant excitation on D2 line have been studied in the presence of an external magnetic field. Substantial changes in amplitudes and frequency positions of…

原子物理 · 物理学 2007-05-23 Aram Papoyan , David Sarkisyan , Kaspars Blush , Marcis Auzinsh , Daniel Bloch , Martial Ducloy

We present results from an asymptotic magnetohydrodynamic model that is suited for studying the rapidly rotating, low viscosity regime typical of the electrically conducting fluid interiors of planets and stars. We show that the presence of…

地球物理 · 物理学 2019-04-17 Stefano Maffei , Michael A. Calkins , Keith Julien , Philippe D. Marti

We carry out 3D and 2D PIC-simulations of the expansion of a magnetized plasma that initially uniformly fills a half-space and contains a semi-cylindrical region of heated electrons elongated along the surface of the plasma boundary. This…

等离子体物理 · 物理学 2022-06-08 Mikhail Garasev , Anton Nechaev , Andrey Stepanov , Vitaly Kocharovsky , Vladimir Kocharovsky

Observations of magnetic fields on scales up to several Mpc are important for understanding cluster and large-scale structure evolution. Our current census of such structures is heavily biased -- towards fields of several microG, towards…

天体物理学 · 物理学 2015-06-24 Lawrence Rudnick

We report real-space evidence for an in-plane vortex lattice (VL) transition in the multiband superconductor 2H-NbSe2, observed by laterally imaging subsurface vortices with scanning tunneling spectroscopy. With magnetic field applied ||…

超导电性 · 物理学 2013-03-15 I. Fridman , C. Kloc , C. Petrovic , J. Y. T. Wei

We study the effects of an $ab$-surface on the vortex-solid to vortex-liquid transition in layered superconductors in the limit of vanishing inter-layer Josephson coupling. We derive the interaction between pancake vortices in a…

超导电性 · 物理学 2009-11-11 A. De Col , G. I. Menon , V. B. Geshkenbein , G. Blatter

Vortices are among the simplest topological structures, and occur whenever a flow field `whirls' around a one-dimensional core. They are ubiquitous to many branches of physics, from fluid dynamics to superconductivity and superfluidity, and…

The dense vortex matter structure and associated magnetization are calculated for type-II superconducting mesoscopic disks. The magnetization exhibits generically first-order phase transitions as the number of vortices changes by one and…

超导电性 · 物理学 2009-10-31 J. J. Palacios

We consider a model where the strong magnetic fields of magnetars arise from a high baryon density, magnetized core. In this framework magnetars are distinguished from pulsars by their higher masses and central density. For magnetars, as…

太阳与恒星天体物理 · 物理学 2015-05-20 N. D. Hari Dass , Vikram Soni