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3
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Black $p$-brane solution
Im trying to confirm that the metric (11) in the paper below is a solution to Einstein's equations (6). I tried to use the metric and extract $\lambda=(1-(r_+/r)^{D-3})^{1/2-\gamma/2(D-3)}$ and $R=r(1-...
7
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Are there any additional fundamentals of physics in addition to space-time, energy, mass, and charge?
What do you consider the fundamental quantities in physics to be? By fundamentals, I mean quantities that cannot be described by a combination of other quantities. Fundamentals are things that just ...
2
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does an accelerated charge would be slower relative to an neutral particle due to radiating and lose energy ? both in free fall
this part from this article https://en.wikipedia.org/wiki/Paradox_of_a_charge_in_a_gravitational_field
"Putting together these two basic facts of general relativity and electrodynamics, we seem to ...