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Posts tagged wave-equation

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Q&A How are gravitational waves derived?

Gravitational waves can be derived from the non-linear Einstein field equations and since they are by definition waves they must obey the wave equation: $u_{tt}=c^{2}u_{xx}$ but in General Rela...

1 answer  ·  posted 10mo ago by Volpina‭  ·  last activity 10mo ago by Mithrandir24601‭

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Q&A Understand intuitively 4th boundary condition of gravitational wave

Suppose we have a gravitational wave which obeys the equation: $[G_{tt}-c^{2}G_{xx}]h_{\mu\nu}=0$ Lets take the case where $h_{\mu\nu}\ne0$ so we are left with the classical wave equation.Suppose...

0 answers  ·  posted 10mo ago by Volpina‭