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5 questions with no upvoted or accepted answers
3 votes
0 answers
141 views

Relativistic configuration space in classical mechanics

Okay so a couple of questions. Firstly I realise that in order to study the dynamics of one particle (classically), we define the Lagrangian and Hamiltonian to be the maps from the tangent and ...
Nameless Paladin's user avatar
2 votes
0 answers
161 views

Problem understanding something from the variational principle for free particle motion (James Hartle's book, chapter 5)

I am currently studying general relativity from James Hartle's book and I have trouble understanding how he goes to equation (5.60) from equation (5.58). It's about the variational principle for free ...
Vachtanidis Giorgos's user avatar
1 vote
0 answers
183 views

Book recommendation for relativistic classical mechanics

I need some good resource recommendations for the relativistic hamiltonian mechanics under special theory of relativity, with a good discussion on relativistic Hamilton-Jacobi formulation.
0 votes
0 answers
51 views

Is there a Lorentz invariant action for a free multi-particle system?

I want to write down a Lorentz-invariant action of free multi-particle systems. I know that a Lorentz-invariant action for each particle might be expressed as $$ S[\vec{r}]=\int dt L(\vec{r}(t),\dot{\...
watahoo's user avatar
  • 145
0 votes
0 answers
82 views

Why does this method of deriving the classical free particle Lagrangian not work?

I was reading volume two in Landau and Lifshitz's Course of Theoretical Physics (The Classical Theory of Fields). In it, Dr. Landau develops the relativistic Lagrangian as follows: one has $$S=\alpha\...
John Dumancic's user avatar