arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1209.5900hep-th
收藏

修正的手征磁效应

α'-Corrected Chiral Magnetic Effect

M. Ali-Akbari, S. F. Taghavi

摘要:

利用AdS/CFT对应,通过在$α'$校正的背景中加入一些自旋探针D ~ 7膜,计算了α '校正对手征磁效应(CME)值的影响.我们证明了虽然对于有质量的解CME的幅度在α '-校正的存在下增加,但对于无质量的解它并没有改变。然而,一些D 7-膜嵌入没有CME,在应用α '-校正后,它们发现CME的非零值。结果,具有非零CME的解决方案的数量增加。我们还证明了α '-修正的效果消除了某些D 7-膜嵌入的奇异性。

英文摘要:

Using AdS/CFT correspondence, the effect of alpha'-correction on the value of Chiral Magnetic Effect(CME) is computed by adding a number of spinning probe D7-branes in the $α'$-corrected background. We show that although for the massive solutions the magnitude of CME increases in the presence of alpha'-correction, it does not change for the massless solution. However some of the D7-brane embeddings have no CME, after applying alpha'-correction, they find a non-zero value for the CME. As a result the number of solutions with a non-zero CME increases. We also show that the effect of alpha'-correction removes the singularity from some of the D7-brane embeddings.

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。

↑