Energy conservative solutions to the system of full variational sine-Gordon equations in a unit sphere

Energy conservative solutions to the system of full variational sine-Gordon equations in a unit sphere
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单位球内全变分正弦-戈登方程组的能量守恒解

DOI:
10.1063/1.4939957
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发表时间:
2016-01
影响因子:
1.3
通讯作者:
Kyungwoo Song
Kyungwoo Song
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Qin Wang;Kyungwoo Song

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我们建立了一个完整的变分Sine-Gordon方程组柯西问题的整体守恒弱解的存在性,它模拟了单位球面中连续极限中立偶极子链上长波的运动。虽然奇点可能在有限时间内发展,但解的能量在奇异时间内是守恒的。我们还得到了解对给定的初始数据的连续依赖性。
We establish the global existence of a conservative weak solution to the Cauchy problem for a complete system of variational sine-Gordon equations, which models the motion of long waves on a neutral dipole chain in the continuum limit in a unit sphere. Although singularities may develop in finite time, the energy of the solution is conserved across singular times. We also obtain the continuous dependence of solutions on the given initial data.
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