| 均匀弱磁场中的Kasuya双荷外部引力场 |
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| 引用本文： | 苏成悦. 均匀弱磁场中的Kasuya双荷外部引力场[J]. 物理学报, 2001, 50(11): 2089-2091 |
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| 作者姓名： | 苏成悦 |
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| 作者单位： | 中国科学院云南天文台,昆明650011;中国科学院国家天文观测中心,北京100080;广东工业大学物理系,广州510643 |
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| 摘 要： | 利用Ernst方法,在Harrison变换为线性变换的条件下,得到Kasuya荷电荷磁的外部引力场解,解中所含常量B0表示一均匀弱磁场,该解不要求q=-2B0J.当r趋于∞时,度规接近Melvin’s磁宇宙的渐进行为.该度规是非渐近平直的,在均匀外磁场下这是合理的结果.关键词：Ernst方法Kasuya双荷磁场引力场
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| 关 键 词： | Ernst方法 Kasuya双荷 磁场 引力场 |
| 收稿时间： | 2000-10-28 |
| 修稿时间： | 2001-06-01 |
EXTERNAL GRAVITATIONAL FIELD OF THE KASUYA DYONMETRIC IN A MAGNETIC FIELD |
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| SU CHENG-YUE. EXTERNAL GRAVITATIONAL FIELD OF THE KASUYA DYONMETRIC IN A MAGNETIC FIELD[J]. Acta Physica Sinica, 2001, 50(11): 2089-2091 |
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| Authors: | SU CHENG-YUE |
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| Abstract: | Using the Ernest's method and adopting the Harrison transform under the linear condition, we obtained an expression of the exterior metric associated with the Kasuya dyon, q≠-2B 0J, in a magnetic field. There is an arbitrary parameter B0 in the expression, it expresses a homogeneously weak magnetic field. While r→∞, the metric approaches asymptotically the Melvin magnetic universe, it is reasonable that the metric does not become asymptotically flat in a homogeneously magnetic field. |
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| Keywords: | Ernest′s method Kasuya dyon magnetic field metric |
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