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Collective interactions along recombinase-bound D-loops could speed repair of double-strand breaks by destabilizing flanking homoduplex tails. [PDF]
Nucleic Acids ResDanilowicz C +4 more
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A connection between proto-neutron-star Tayler-Spruit dynamos and low-field magnetars. [PDF]
Nat AstronIgoshev A +5 more
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A reinforced lunar dynamo recorded by Chang'e-6 farside basalt. [PDF]
NatureCai S +17 more
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Fast dynamo action in the Ponomarenko dynamo
Geophysical and Astrophysical Fluid Dynamics, 1988Abstract An analysis of small-scale magnetic fields shows that the Ponomarenko dynamo is a fast dynamo; the maximum growth rate remains of order unity in the limit of large magnetic Reynolds number. Magnetic fields are regenerated by a “stretch-diffuse” mechanism.
Andrew D Gilbert
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Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2002
In this article I review the fundamentals of solar-dynamo theory. I describe both historical and contemporary observations of the solar magnetic field before outlining why it is believed that the solar field is maintained by a hydromagnetic dynamo. Having explained the basic dynamo process and applications of the theory to the Sun, I shall conclude by ...
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In this article I review the fundamentals of solar-dynamo theory. I describe both historical and contemporary observations of the solar magnetic field before outlining why it is believed that the solar field is maintained by a hydromagnetic dynamo. Having explained the basic dynamo process and applications of the theory to the Sun, I shall conclude by ...
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Earth, Moon, and Planets, 1994
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Geophysical & Astrophysical Fluid Dynamics, 1991
Abstract Recent developments in geodynamo theory have advanced along two distinct tracks. On the one hand, a mean field approach is adopted. With reasonable assumptions about the nature of the α- and ω-effects of mean field theory, axisymmetric dynamo solutions are constructed which include the nonlinear feed back of the Lorentz force on the motion. On
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Abstract Recent developments in geodynamo theory have advanced along two distinct tracks. On the one hand, a mean field approach is adopted. With reasonable assumptions about the nature of the α- and ω-effects of mean field theory, axisymmetric dynamo solutions are constructed which include the nonlinear feed back of the Lorentz force on the motion. On
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Science, 2014
BACKGROUND It is unknown whether the Moon has a fully differentiated and melted structure with a metallic core or retains a partially primordial, unmelted interior. The differentiation history of the Moon is manifested by its record of past magnetism (paleomagnetism).
Benjamin P, Weiss, Sonia M, Tikoo
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BACKGROUND It is unknown whether the Moon has a fully differentiated and melted structure with a metallic core or retains a partially primordial, unmelted interior. The differentiation history of the Moon is manifested by its record of past magnetism (paleomagnetism).
Benjamin P, Weiss, Sonia M, Tikoo
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Solar Physics, 1985
The basic features of the solar activity mechanism are explained in terms of the dynamo theory of mean magnetic fields. The field generation sources are the differential rotation and the mean helicity of turbulent motions in the convective zone. A nonlinear effect of the magnetic field upon the mean helicity results in stabilizing the amplitude of the ...
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The basic features of the solar activity mechanism are explained in terms of the dynamo theory of mean magnetic fields. The field generation sources are the differential rotation and the mean helicity of turbulent motions in the convective zone. A nonlinear effect of the magnetic field upon the mean helicity results in stabilizing the amplitude of the ...
openaire +1 more source