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arXiv 2106.14768math.AP
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时间规范下Maxwell-Dirac系统的局部适定性

Local well-posedness for the Maxwell-Dirac system in temporal gauge

Hartmut Pecher

摘要:

考虑n+1维Maxwell-Dirac系统在$n=3$和$n=2$:\begin{align*} \partial^μ F_{μν} & = - \langle ψ,α_ν ψ\rangle \\ -i α^μ \partial_μ ψ& = A_μ α^μ ψ\, , \end{align*}情形下的低正则性适定性问题,其中$ F_{μν} = \partial^μ A_ν - \partial^ν A_μ$和$α^μ$是Dirac矩阵.我们假设时间规范$A_0=0$和利用的事实,即一些非线性满足零条件。因为我们在时间规范中工作,所以我们也应用了一种方法,该方法被陶用于此规范中的杨-米尔斯系统。

英文摘要:

We consider the low regularity well-posedness problem for the Maxwell-Dirac system in n+1 dimensions in the cases $n=3$ and $n=2$ : \begin{align*} \partial^μ F_{μν} & = - \langle ψ,α_ν ψ\rangle \\ -i α^μ \partial_μ ψ& = A_μ α^μ ψ\, , \end{align*} where $ F_{μν} = \partial^μ A_ν - \partial^ν A_μ$ , and $α^μ$ are the Dirac matrices. We assume the temporal gauge $A_0=0$ and make use of the fact that some of the nonlinearities fulfill a null condition. Because we work in the temporal gauge we also apply a method, which was used by Tao for the Yang-Mills system in this gauge.

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