Recent content by aCHCa

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    Second fundamental form and Mean Curvature

    Homework Statement Metric ansatz: ds^{2} = e^{\tilde{A}(\tilde{\tau})} d\tilde{t} - d\tilde{r} - e^{\tilde{C}(\tilde{\tau})} dΩ where: d\tilde{r} = e^{\frac{B}{2}} dr Homework Equations How to calculate second fundamental form and mean curvature from this metric? The Attempt at a...
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    Graduate Schwarzschild Metric - Rindler coordinates

    Ah thank you so much :D
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    Graduate Schwarzschild Metric - Rindler coordinates

    Hello, well I just read a paper by Atish Dabholkar and Ashoke Sen, titled "Quantum Black Holes", pp. 4-5 as shown below and I tried to find d\xi^{2}\frac{2GM}{\xi}=d\rho^{2} like this which is different from the eq. in the paper. So, could somebody please help me to find my...
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    Graduate The difference between big delta and small delta?

    Could anybody explain me what's the difference between \delta\Gamma^{\rho}_{\mu\nu} and \Delta\Gamma^{\rho}_{\mu\nu}? Thank you