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arXiv 1204.0744hep-th
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广义引力理论中无质量粒子的脉冲引力波

Impulsive gravitational waves of massless particles in extended theories of gravity

Morteza Mohseni

摘要:

我们研究了f(R)中的真空pp-波和Aichelburg-Sexl-型解以及物质与几何之间具有最小和非最小耦合的修正的Gauss-Bonnet引力理论。在每一种情况下,我们得到的必要条件的理论承认的解决方案,并检查它的几个特定的模型。我们表明,波的轮廓是相同的或成比例的广义相对论的。

英文摘要:

We investigate the vacuum pp-wave and Aichelburg-Sexl-type solutions in f(R) and the modified Gauss-Bonnet theories of gravity with both minimal and nonminimal couplings between matter and geometry. In each case, we obtain the necessary condition for the theory to admit the solution and examine it for several specific models. We show that the wave profiles are the same or proportional to the general relativistic one.

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