第五力与标架不变性
Fifth forces and frame invariance
摘要：
我将讨论如何应用协变形式主义开发的Vilkovisky和德威特获得标度张量理论的框架不变的第五力计算。第五种力受到天体物理测量的严格限制。以前的研究表明，对于尺度不变的希格斯玻色子引力，在特定的约旦框架中，希格斯玻色子第五力被显著抑制，从而逃避了观测约束。使用几何的方法，我扩展这个结果的所有框架，并表明，通常的二分法的“约旦框架”与“爱因斯坦框架”是更好地理解为一个连续的框架：子流形切片的一个更一般的场空间。
英文摘要：
I discuss how one can apply the covariant formalism developed by Vilkovisky and DeWitt to obtain frame invariant fifth force calculations for scalar-tensor theories. Fifth forces are severely constrained by astrophysical measurements. It was shown previously that for scale-invariant Higgs-dilaton gravity, in a particular choice of Jordan frame, the dilaton fifth force is dramatically suppressed, evading the observational constraints. Using a geometric approach I extend this result to all frames, and show that the usual dichotomy of "Jordan frame" versus "Einstein frame" is better understood as a continuum of frames: submanifold slices of a more general field space.
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