共形宇宙学与先驱反常
Conformal Cosmology and the Pioneer Anomaly
摘要：
我们回顾了一个新的宇宙学模型的基本结果，共形引力的基础上，并将其应用到早期数据的先锋异常的分析。我们表明，我们的共形宇宙学可以自然地解释先锋10号和11号航天器的异常加速，在太阳系周围延伸的局部蓝移区域，因此影响地球和航天器之间交换的导航无线电信号的频率。相反，仅用共形重力修正是无法解释产生先锋加速度的动力学效应的。用我们的模型解释了反常加速度值与哈勃常数在数值上的一致性，也证实了我们以前对宇宙学参数γ ~ 10^（-28）cm^（-1）和δ ~ 10^（-4）-10 ^（-5）的测定。新的先驱者数据预计将在不久的将来公布，这可能有助于对这些参数进行更精确的评估。
英文摘要：
We review the fundamental results of a new cosmological model, based on conformal gravity, and apply them to the analysis of the early data of the Pioneer anomaly. We show that our conformal cosmology can naturally explain the anomalous acceleration of the Pioneer 10 and 11 spacecraft, in terms of a local blueshift region extending around the solar system and therefore affecting the frequencies of the navigational radio signals exchanged between Earth and the spacecraft. On the contrary, conformal gravity corrections alone would not be able to account for dynamical effects of such magnitude to be capable of producing the observed Pioneer acceleration. By using our model, we explain the numerical coincidence between the value of the anomalous acceleration and the Hubble constant at the present epoch and also confirm our previous determination of the cosmological parameters gamma ~ 10^(-28) cm^(-1) and delta ~ 10^(-4) - 10^(-5). New Pioneer data are expected to be publicly available in the near future, which might enable more precise evaluations of these parameters.
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