Phase space & Liouville's Theorem

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Hamiltonian dynamics exists in phase space -- a space of formed of all the generalized positions and generalized momenta. We explore ways to solve Hamilton's equations in this space.

Music "Everything" by Vi Hart
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ung phys student here and I got your videos recommended to me from GT, I love the way you present this thank you for the effort you put in these videos.

sdmcal
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One point of critique, you show a phase space plot with spiralling motion. However, Hamiltonian systems never have a sink or source at a singularity. Great video nonetheless!

MGB-wzjz
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so well constructed and so well spoken!! tysm

rishecks
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This channel is a gem for physics students. Subscribed.

takispedaros
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Wonderlful explanation. Very much appreciated!

osmanhussein
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The "proof" given at 6:36 doesn't seem too convincing, at least visually I can imagine a lot of points outside A(t) where the trayectorias do not cross. Besides that, great video and a very good topic

kierkegaard
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Enjoyed this...at (e.g.) 9:10, why do you use cursive delta in the integral? At 8:17 also, dA = Int (n.v dt)dg and all the d's are cursive, like variational notation?

eastofthegreenline