Timeline for Sanity check: can we define "arbitrary" hamiltonians?
Current License: CC BY-SA 4.0
3 events
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| Jul 10, 2020 at 17:09 | comment | added | Prof. Legolasov | @user56834 $d$ is the exterior derivative which for scalar functions like $H$ is just the gradient, and $i_v$ is the contraction operator parameterized by a vector field $v$. If you are familiar with tensors and index notation, $(dH)_a = \partial H / \partial x^a$, and $(i_v \omega)_a = v^b \omega_{ab}$. | |
| Jul 10, 2020 at 14:10 | comment | added | user56834 | Thank you. I actually don't understand either of these equations (I just asked a question about symplectic geometry here: physics.stackexchange.com/q/564834). What is $i_{V_H}\omega$, or $dH$? | |
| Jul 10, 2020 at 13:51 | history | answered | spiridon_the_sun_rotator | CC BY-SA 4.0 |