I'm getting myself confused here. If my relativistic Lagrangian for a particle in a central potentai is(adsbygoogle = window.adsbygoogle || []).push({});

[tex]L = \frac{-m_0 c^2}{\gamma} - V(r) [/tex]

should

[tex] \frac{d L}{d \dot{\theta}} [/tex]

not give me the angular momentum (which is conserved)? Instead I get

[tex] \frac{d L}{d \dot{\theta}} = -4 m v r^2 \dot{\theta}\gamma [/tex]

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Relativistic angular momentum and cyclic coordinates

**Physics Forums | Science Articles, Homework Help, Discussion**