Results 11 to 20 of about 12,596 (307)
Magnetic-Field Generation in Helical Turbulence [PDF]
Physical Review Letters, 2005 We investigate analytically the amplification of a weak magnetic field in a homogeneous and isotropic turbulent flow lacking reflectional symmetry (helical turbulence). We propose that the spectral distributions of magnetic energy and magnetic helicity can be found as eigenmodes of a self-adjoint, Schr dinger-type system of evolution equations.
Boldyrev, Stanislav +2 more
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Helical magnetic self-organization of plasmas in toroidal pinches with transport barriers formation [PDF]
EPJ Web of Conferences, 2020 Nonlinear MHD modeling of toroidal pinch configurations for hot plasma magnetic confinement describes several features of the helical self-organization process, which is observed in both reversed-field pinches and tokamaks. It can also give a hint on why
Veranda Marco +5 more
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Magnetic helicity and cosmological magnetic field [PDF]
Astronomy & Astrophysics, 2005 11 pages, no figures; v3: new references and new paragraphs added, discussion extended, some mistypings ...
Semikoz, V. B., Sokoloff, D.
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Materials & Design, 2023 In this research, a magnetically driven double curved conical ribbon micro-helical robot was proposed to improve the swimming stability and swimming performance.
Yunlong Jia +4 more
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Advanced Science, 2021 Inspired by the movement of bacteria and other microorganisms, researchers have developed artificial helical micro‐ and nanorobots that can perform corkscrew locomotion or helical path swimming under external energy actuation.
Jiaen Wu +10 more
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Observation of the Chiral Soliton Lattice above Room Temperature
Advanced Physics Research, 2023 Magnetic chiral soliton lattices (CSLs) emerge from the helical phase in chiral magnets when magnetic fields are applied perpendicular to the helical propagation vector, and they show great promise for next‐generation magnetic memory applications.
R. Brearton +7 more
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ON THE HELICITY OF OPEN MAGNETIC FIELDS [PDF]
The Astrophysical Journal, 2014 We reconsider the topological interpretation of magnetic helicity for magnetic fields in open domains, and relate this to the relative helicity. Specifically, our domains stretch between two parallel planes, and each of these ends may be magnetically open.
C. Prior, A. R. Yeates
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Selective Locomotion Control of Magnetic Torque-Driven Magnetic Robots Within Confined Channels
IEEE Access, 2023 The use of global magnetic fields—typically produced by pairs of Maxwell and Helmholtz coils—offers the advantage of generating uniform magnetic fields and magnitude uniform gradient distributions over extensive volumes, while ensuring easy
Armando Ramos-Sebastian +2 more
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Magnetic Helical Micro- and Nanorobots: Toward Their Biomedical Applications
Engineering, 2015 Magnetic helical micro- and nanorobots can perform 3D navigation in various liquids with a sub-micrometer precision under low-strength rotating magnetic fields (
Famin Qiu, Bradley J. Nelson
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HELICAL MAGNETIC FIELDS FROM INFLATION [PDF]
International Journal of Modern Physics D, 2009 We analyze the generation of seed magnetic fields during de Sitter inflation considering a noninvariant conformal term in the electromagnetic Lagrangian of the form [Formula: see text], where I(ϕ) is a pseudoscalar function of a nontrivial background field ϕ.
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