Magnetic helicity in multiply connected domains
Magnetic helicity in multiply connected domains
复制标题
多重连通域中的磁螺旋度
DOI:
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复制
发表时间:
2019
影响因子:
2.5
通讯作者:
A. Valli
中科院分区:
文献类型:
--
作者:
D. MacTaggart;A. Valli
Magnetic helicity is a fundamental quantity of magnetohydrodynamics that carries topological information about the magnetic field. By ‘topological information’, we usually refer to the linkage of magnetic field lines. For domains that are not simply connected, however, helicity also depends on the topology of the domain. In this paper we expand the standard definition of magnetic helicity in simply connected domains to multiply connected domains in $mathbb{R}^{3}$ of arbitrary topology. We also discuss how using the classic Biot–Savart operator simplifies the expression for helicity and how domain topology affects the physical interpretation of helicity.
影响因子:
6.5
作者:
Hussain, A. S.;Browning, P. K.;Hood, A. W.
通讯作者:
Hood, A. W.