Why physics is so much bizarre in different dimensions.
Starting the course of galactic dynamics in SUT we start to take a look to Poisson equation in two and three dimensions.It is interesting that the dimensionality effect so much on physics of gravitation. A test particle in a 3 dimensional symmetric sphere feels no force.But in 2 dimensions from a homogeneous ring exerts gravitational force on a test particle just because of dimensionality!!
Consequently one can I ask why we are living in 3+1 extended/for believers of higher dimension/ dimensions.Is there any fundamental physical reason behind it?
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