Wake potential in a strong coupling plasma from the AdS/CFT correspondence
Wake potential in a strong coupling plasma from the AdS/CFT correspondence
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AdS/CFT 对应关系中强耦合等离子体中的唤醒电势
DOI:
10.1103/physrevd.93.085011
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发表时间:
2015-02
影响因子:
5
通讯作者:
Liu Hui
中科院分区:
文献类型:
--
作者:
Liu Lian;Liu Hui
With the dielectric function computed from AdS/CFT correspondence, we studied the wake potential induced by a fast moving charge in strong coupling plasma, and compared it with the weak coupling wake potential for different particle velocities as $v=0.55c$ and $v=0.99c$. The most prominent difference between strong and weak wake potential is that when $v=0.99c$ the remarkable oscillation due to Cerenkov-like radiation and Mach cone in weak coupling disappears in strong coupling, which implies that the plasmon mode with phase velocity lower than the speed of light dose not exist in strong coupling plasma.
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DOI:
10.1556/aph.22.2005.3-4.1
发表时间:
2005
期刊:
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影响因子:
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2006
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