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Related papers: Hard domain walls in superfluid 3He-B

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In He-3 superfluids quantized vorticity can take many different forms: It can appear as distributed periodic textures, as sheets, or as lines. In the anisotropic He-3A phase in most cases the amplitude of the order parameter remains…

Condensed Matter · Physics 2008-04-13 G. E. Volovik , V. B. Eltsov , M. Krusius

We investigate the charge and spin structures associated with arbitrary smooth polarization textures in Ising (integer) quantum Hall ferromagnets. We consider the case where the two polarizations (denoted "pseudospin" up and down)…

Mesoscale and Nanoscale Physics · Physics 2019-12-11 Jeroen Danon , Ajit C. Balram , Samuel Sánchez , Mark S. Rudner

The air-water interface plays a crucial role in many aspects of science, because of its unique properties, such as a two-dimensional hydrogen bond (HB) network and completely different HB dynamics compared to bulk water. However, accurately…

Materials Science · Physics 2024-10-01 Gang Huang , Jie Huang

Microscopic theory of domain wall dynamics under electric current is reviewed. Domain wall is treated as rigid and planar. The spin-transfer torque and forces on the wall are derived based on the $s$-$d$ exchange interaction between…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Gen Tatara , Hiroshi Kohno , Junya Shibata

The puzzling question about the floating of the topological surface state on top of a thick Pb layer, has now possibly been answered. A study of the interface made by Pb on Bi2Se3 for different temperature and adsorbate coverage condition,…

The interaction between bulk and dynamic domain wall in the presence of a linear / non-linear electromagnetism make energy density, tension and pressure on the wall all variables, depending on the wall position. In [1] this fact seems to be…

General Relativity and Quantum Cosmology · Physics 2011-04-05 S. Habib Mazharimousavi , M. Halilsoy

Networks or webs of domain walls are admitted in Abelian or non-Abelian gauge theory coupled to fundamental Higgs fields with complex masses. We examine the dynamics of the domain wall loops by using the moduli approximation and find a…

High Energy Physics - Theory · Physics 2014-11-18 Minoru Eto , Toshiaki Fujimori , Takayuki Nagashima , Muneto Nitta , Keisuke Ohashi , Norisuke Sakai

The propagation and roughening of a fluid-gas interface through a disordered medium in the case of capillary driven spontaneous imbibition is considered. The system is described by a conserved (model B) phase-field model, with the structure…

Disordered Systems and Neural Networks · Physics 2009-10-31 M. Dube , M. Rost , K. R. Elder , M. Alava , S. Majaniemi , T. Ala-Nissila

Recent developments in unifying treatment of domain wall configurations and their global space-time structure is presented. Domain walls between vacua of non-equal cosmological constant fall in three classes depending on the value of their…

High Energy Physics - Theory · Physics 2009-09-25 Mirjam Cvetic

We study the instability of a superfluid flow through a constriction in three spatial dimensions. We consider a Bose-Einstein condensate at zero temperature in two different geometries: a straight waveguide and a torus. The constriction…

Quantum Gases · Physics 2014-04-11 F. Piazza , L. A. Collins , A. Smerzi

Formation of domain walls during a rapid phase transition in a quasi one dimensional Cahn-Hiliard equation describing binary fluids in a thin tube is studied. Density of kinks scales like a sixth root of quench rate for equal concentrations…

Condensed Matter · Physics 2007-05-23 Jacek Dziarmaga , Mariusz Sadzikowski

Chiral and helical domain walls are generic defects of topological spin-triplet superconductors. We study theoretically the magnetic and transport properties of superconducting singlet-triplet-singlet heterostructure as a function of the…

Superconductivity · Physics 2017-10-17 A. Romano , C. Noce , I. Vekhter , M. Cuoco

Multi-domain solutions to the time-dependent Ginzburg-Landau equation in presence of an external field are analyzed using the Hirota bilinearization method. Domain-wall collisions are studied in detail considering different regimes of the…

Other Condensed Matter · Physics 2011-09-13 Andrzej Janutka

We study the kinetic roughening of a driven domain wall between spin-up and spin-down domains for a model with non-conserved order parameter and quenched disorder. To understand the scaling behavior of this interface we construct an…

Disordered Systems and Neural Networks · Physics 2008-02-03 M. Jost , K. D. Usadel

We study contact line induced instabilities for a thin film of fluid under destabilizing gravitational force in three dimensional setting. In the previous work (Phys. Fluids, {\bf 22}, 052105 (2010)), we considered two dimensional flow,…

Fluid Dynamics · Physics 2015-03-19 T. -S. Lin , L. Kondic , A. Filippov

Based on the mean-field method applied either to the extended single-band Hubbard model or to the single-band Peierls-Hubbard Hamiltonian we study the stability of both site-centered and bond-centered charge domain walls. The difference in…

Strongly Correlated Electrons · Physics 2007-05-23 Marcin Raczkowski , Andrzej M. Oles , Raymond Fresard

We demonstrate the possibility of creating domain walls described by a single component Gross-Pitaevskii equation with attractive interaction, in the presence of an optical-lattice potential. While it is found that the extended domain wall…

Domain walls, arising from the spontaneous breaking of a discrete symmetry, can be coupled to charge carriers. In much the same way as the Witten model for superconducting cosmic string, an investigation is made here in the case of…

High Energy Physics - Phenomenology · Physics 2009-09-25 Patrick Peter

We study composite solitons, consisting of domain walls and vortex lines attaching to the walls in two-component Bose-Einstein condensates. When the total density of two components is homogeneous, the system can be mapped to the O(3)…

Quantum Gases · Physics 2013-07-17 Kenichi Kasamatsu , Hiromitsu Takeuchi , Makoto Tsubota , Muneto Nitta

It is well-known that in two dimensions Turing systems produce spots, stripes and labyrinthine patterns, and in three dimensions lamellar and spherical structures or their combinations are observed. We study transitions between these states…

Statistical Mechanics · Physics 2007-05-23 Teemu Leppanen , Mikko Karttunen , R. A. Barrio , Kimmo Kaski