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Related papers: Domain Patterns in the Microwave-Induced Zero-Resi…

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We study the ground state of one-dimensional channel with strong attractive electron-electron interaction at low temperatures. In spite of the fact that at low temperatures the ground state of one-dimensional attracting electrons is a state…

Strongly Correlated Electrons · Physics 2019-09-13 V. V. Afonin , S. V. Gantsevich

We study the domain walls which form when Bose condensates acquire a double-well dispersion. Experiments have observed such domain walls in condensates driven across a $\mathbb{Z}_2$ symmetry-breaking phase transition in a shaken optical…

Quantum Gases · Physics 2017-01-04 Tongtong Liu , Logan W. Clark , Cheng Chin

We theoretically study the interaction of spin waves and a domain wall in a quasi-one-dimensional easy-cone ferromagnet. The gapless spin waves on top of a domain wall are found to exhibit finite reflection in contrast to the well-known…

Mesoscale and Nanoscale Physics · Physics 2024-07-10 Wooyon Kim , Se Kwon Kim

Graphene field-effect transistors exhibit negligible transconductance under two scenarios: for any gate-to-source voltage when the drain-to-source voltage is set to zero, and for an arbitrary drain-to-source voltage provided that the…

We have measured the contribution of magnetic domain walls (DWs) to the electric resistance in epitaxial manganite films patterned by electron-beam lithography into a track containing a set of notches. We find a DW resistance-area (RA)…

Strongly Correlated Electrons · Physics 2015-06-25 T. Arnal , A. V. Khvalokvskii , M. Bibes , Ph. Lecoeur , A. -M. Haghiri-Gosnet , B. Mercey

Under a strong $ac$ drive the zero-frequency linear response dissipative resistivity $\rho_{d}(j=0)$ of a homogeneous state is allowed to become negative. We show that such a state is absolutely unstable. The only time-independent state of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. V. Andreev , I. L. Aleiner , A. J. Millis

Recent experiments have proven that the quasiparticles in graphene obey a Dirac equation. Here we show that microwaves are an excellent probe of their unusual dynamics. When the chemical potential is small the intraband response can exhibit…

Strongly Correlated Electrons · Physics 2007-05-23 V. P. Gusynin , S. G. Sharapov , J. P. Carbotte

The infuence of the conduction-electron spin magnetization density, induced in a two-dimensional electron layer by a microwave electromagnetic field, on the rejection and transmission of the field is considered. Because of the induced…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Victor M. Edelstein

The geometry and morphology of magnetic domain walls (DWs) are closely related to their dynamics when driven by external forces. Under some reliable approximations DWs can be considered self-affine interfaces, so universal laws govern their…

Disordered Systems and Neural Networks · Physics 2023-12-29 P. Domenichini , G. Pasquini , M. G. Capeluto

The interplay between charge, spin, and heat currents in magnetic nano systems subjected to a temperature gradient has lead to a variety of novel effects and promising applications studied in the fast-growing field of spincaloritronics.…

Mesoscale and Nanoscale Physics · Physics 2015-10-07 Patryk Krzysteczko , Xiukun Hu , Niklas Liebing , Sibylle Sievers , Hans W. Schumacher

The magnetization in the domain walls (DWs) formed inside the inner core of the amorphous ferromagnetic microwire is studied within a simple analytical model proposed. The influence of the ordering in the internal-stress created outer shell…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Andrzej Janutka , Przemyslaw Gawronski

A self-contained theory of the domain wall dynamics in ferromagnets under finite electric current is presented. The current is shown to have two effects; one is momentum transfer, which is proportional to the charge current and wall…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Gen Tatara , Hiroshi Kohno

We theoretically study the magnetoelectric coupling in a quantum anomalous Hall insulator state induced by interfacing a dynamic magnetization texture to a topological insulator. In particular, we propose that the quantum anomalous Hall…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Pramey Upadhyaya , Yaroslav Tserkovnyak

We study current-induced domain-wall dynamics in a thin ferromagnetic nanowire. The domain-wall dynamics is described by simple equations with four parameters. We propose the procedure to determine these parameters by all-electric…

Mesoscale and Nanoscale Physics · Physics 2011-08-29 Y. Liu , Oleg A. Tretiakov , Ar. Abanov

The presence of a domain wall trapped by a sub-micron notch is probed in two ways: through electronic transport measurements and by Magnetic Force Microscopy (MFM). We observe complex magnetic features which are consistent with numerical…

Materials Science · Physics 2007-05-23 D. Lacour , J. A. Katine , L. Folks , T. Block , J. R. Childress , M. J. Carey , B. A. Gurney

Power dissipation is one of the most important factors limiting the future miniaturisation of integrated circuits. The capability of controlling magnetic states with a low voltage through magnetoelectric coupling in…

We theoretically study the current-induced dynamics of a transverse magnetic domain wall in bi-layer nanowires consisting of a ferromagnet on top of a nonmagnet having strong spin-orbit coupling. Domain wall dynamics is characterized by two…

Mesoscale and Nanoscale Physics · Physics 2012-07-18 Soo-Man Seo , Kyoung-Whan Kim , Jisu Ryu , Hyun-Woo Lee , Kyung-Jin Lee

We investigate theoretically the influence of the spin-orbit interaction of Rashba type on the magnetoresistance of a semiconducting ferromagnetic nanostructure with a laterally constrained domain wall. The domain wall is assumed sharp (on…

Materials Science · Physics 2009-11-10 V. K. Dugaev , J. Barnas , J. Berakdar , V. I. Ivanov , W. Dobrowolski , V. F. Mitin

Motivated by the recently discovered microwave-induced ``zero-resistance'' states in two-dimensional electron systems, we study the microwave photoconductivity of a two-dimensional electron gas (2DEG) subject to a unidirectional static…

Mesoscale and Nanoscale Physics · Physics 2011-10-05 J. Dietel , L. Glazman , F. Hekking , F. von Oppen

Rewritable nanoelectronics offers new perspectives and potential to both fundamental research and technological applications. Such interest has driven the research focus into conducting domain walls: pseudo 2D conducting channels that can…

Materials Science · Physics 2022-04-28 L. Puntigam , M. Altthaler , S. Ghara , L. Prodan , V. Tsurkan , S. Krohns , I. Kézsmárki , D. M. Evans
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