- #1
Wenzi
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The action of non-spinning particles in scalar gravity is
[tex]S=-\int{\sqrt{-g}(\frac{1}{8\pi}g^{\mu\nu}\Phi_{,\mu}\Phi_{,\nu}-\rho e^{\Phi})d^4x}[/tex]
where [tex]\rho[/tex] presents the comoving density.
Now, I want to know the formula when particles with classical spin.
Thank you!
[tex]S=-\int{\sqrt{-g}(\frac{1}{8\pi}g^{\mu\nu}\Phi_{,\mu}\Phi_{,\nu}-\rho e^{\Phi})d^4x}[/tex]
where [tex]\rho[/tex] presents the comoving density.
Now, I want to know the formula when particles with classical spin.
Thank you!
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