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arXiv math-ph/0105016math-phgr-qchep-thmath.APmath.MP
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关于Yang-Mills域的爆破

On blowup for Yang-Mills fields

P. Bizoń, Z. Tabor

摘要:

研究了$d+1$维Minkowski时空中球对称Yang-Mills方程在$d=4$(临界维数)和$d=5$(最低超临界维数)下的奇性发展.使用相结合的数值和分析方法,我们表明在这两种情况下,通用的解决方案开始足够大的初始数据在有限的时间内爆炸。奇异性形成的机制取决于维数:在$d=5$中,爆破是完全自相似的,而在$d=4$中,爆破只是近似自相似的,可以看作是边缘稳定静态解的绝热收缩。爆破的阈值和与引力坍缩中的临界现象的联系(这是本研究的动机)也进行了简要的讨论。

英文摘要:

We study development of singularities for the spherically symmetric Yang-Mills equations in $d+1$ dimensional Minkowski spacetime for $d=4$ (the critical dimension) and $d=5$ (the lowest supercritical dimension). Using combined numerical and analytical methods we show in both cases that generic solutions starting with sufficiently large initial data blow up in finite time. The mechanism of singularity formation depends on the dimension: in $d=5$ the blowup is exactly self-similar while in $d=4$ the blowup is only approximately self-similar and can be viewed as the adiabatic shrinking of the marginally stable static solution. The threshold for blowup and the connection with critical phenomena in the gravitational collapse (which motivated this research) are also briefly discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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