伽马射线暴产生中的广义相对论质量矢量场效应
General relativistic massive vector field effects in Gamma Ray Burst production
摘要:
为了解释某些伽马射线暴(GRBs)观测所提出的极高的能量释放$>10^{53}$ ~erg,我们提出了一种新的能量提取机制,即利用大质量光子场从Kerr-Newman黑洞(BH)的转动能中提取能量.数值计算结果表明,该机制相对于黑洞旋转参数$a$是稳定的,并且对黑洞质量$M$和电荷$Q$有明显的依赖性,可以提取高达$10^{54}$ erg的能量.有争议的“能源危机”问题的伽玛暴,没有显示出证据的准直发射可能会受益于这种能量提取机制。利用这些结果,我们确定了电磁场与引力场耦合的一个下界。
英文摘要:
To explain the extremely high energy release, $>10^{53}$~erg, suggested by the observations of some Gamma Ray Bursts (GRBs) we propose a new energy extraction mechanism from the rotation energy of a Kerr-Newman black hole (BH) by a massive photon field. Numerical results show that this mechanism is stable with respect to the black hole rotation parameter, $a$, with a clear dependence on the BH mass, $M$, and charge, $Q$, and can extract energies up to $10^{54}$ erg. The controversial "energy crisis" problem of GRBs that does not show evidence for collimated emission may benefit of this energy extraction mechanism. With these results we set a lower bound on the coupling between electromagnetic and gravitational fields.
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