| 高频引力波在电磁环形腔焦点区域的时空扰动效应 |
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| 引用本文： | 丁亮,邓丽城,陈珊珊.高频引力波在电磁环形腔焦点区域的时空扰动效应[J].西南农业大学学报,2011,33(5). |
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| 作者姓名： | 丁亮 邓丽城 陈珊珊 |
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| 作者单位： | 重庆大学理论物理研究所; |
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| 基金项目： | 国家自然科学基金资助项目(10575140); 中国工程物理研究院基金资助项目(2008T0401,2008T0402) |
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| 摘 要： | 基于弱场条件,计算了在柱坐标下由电磁环形腔中强电磁简正模在其焦点区域产生的引力驻波的第二类克氏联络、里奇张量、曲率标量及其能量密度.研究发现,在焦点区域的引力驻波的能量密度是正定的.此外,讨论了该引力驻波的能量密度和时空的曲率标量的关系.高Q值强场环形微波腔以及受控核聚变的Tokamak装置均具有轴对称的特点,并可作为可能的潜在高频引力波源.
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| 关 键 词： | 高频引力波 引力驻波 能量密度 曲率标量 |
Perturbative Effect of Spacetime Produced by High-Frequency Gravitational Waves in Focal Region of Electromagnetic Toroidal Cavity |
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| DING Liang,DENG Li-cheng,CHEN Shan-shan Chongqing University.Perturbative Effect of Spacetime Produced by High-Frequency Gravitational Waves in Focal Region of Electromagnetic Toroidal Cavity[J].Journal of Southwest Agricultural University,2011,33(5). |
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| Authors: | DING Liang DENG Li-cheng CHEN Shan-shan Chongqing University |
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| Institution: | DING Liang,DENG Li-cheng,CHEN Shan-shan Chongqing University,Institute of Theoretical Physics,Chongqing 400030,China |
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| Abstract: | Christoffel connection,ricci tensor,curvature scalar and energy density of the standing gravitational wave produced by strong electromagnetic normal mode of the toroidal cavity in its focal region is calculated in this study,using the cylindrical coordinate system,under the condition of weak field.The energy density of the standing gravitational wave is found to be positive definite in the focal region of the cavity.The relationship between energy density of the gravitational wave and curvature scalar is di... |
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| Keywords: | high-frequency gravitational wave standing gravitational wave energy density curvature scalar |
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