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Results tagged with gravitational-waves
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user 277415
For questions about the propagation of waves carried by space-time, for instance as described by general relativity. Not to be confused with gravity waves, such as ocean surface waves.
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Lagrangian in reduced Horndeski Theory for i=2
$$\nabla_{\mu} \left({\frac{\partial G_2}{\partial(\nabla_{\mu} \phi)}}\right)= \nabla_{\mu}\left(\frac{\partial G_2}{\partial X}\frac{\partial X}{\partial(\nabla_{\mu}\phi)}\right)= \nabla_{\mu}\left …
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Lagrangian in reduced Horndeski Theory for i=2
I am trying to understand the calculations of the latest Charles Dalang's paper "Scalar and Tensor Gravitational Waves", arXiv:2009.11827.
Since I just learned basic general relativity, I found it har …
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