Conformally reduced quantum gravity revisited

Conformally reduced quantum gravity revisited
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重新审视共形约简量子引力

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
R. Percacci
R. Percacci
中科院分区:
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文献类型:
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作者:
Pedro F. Machado;R. Percacci

文献摘要

被引文献

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应用泛函重整化群方法,在仅保形因子是动力学的近似下,并考虑迹线异常,描述了两种不等价的物质耦合四维引力重整化群的定义方法.我们与早期的工作,并简要讨论存在或不存在的不动点,这取决于截断的行动和其他近似。
Applying functional renormalization group methods, we describe two inequivalent ways of defining the renormalization group of matter-coupled four-dimensional gravity, in the approximation where only the conformal factor is dynamical and taking the trace anomaly explicitly into account. We make contact with earlier work and briefly discuss the presence or absence of fixed points, depending on the truncation of the action and other approximations.