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463111
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location Princeton, NJ
age 26
visits member for 3 years, 1 month
seen 18 mins ago

I am a graduate student studying astrophysics at Princeton. I received my bachelor's in physics and mathematics from Caltech (2011).

My primary interest is in general relativistic magnetohydrodynamics simulations of black hole accretion.


18m
comment What defines a unit system and how many constants can we set to 1?
Note that you are describing the preferred unit system of relativistic astrophysics (Gaussian CGS + $c=1$), and that it forces $\mu_0$ to be dimensionless $4\pi$. Often too this $4\pi$ is absorbed into a redefinition of the units of electric/magnetic fields (the two being the same in this system), making it disappear from some equations but appear in others.
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