Talk:Phase space: Difference between revisions

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Work in Progress - to make Phase Space the main article on the (p, q) space of dynamical systems, and Phase diagram mainly on the physical chemistry uses of that term Linuxlad 23:48, 19 Feb 2005 (UTC)

Speaking of that, it looks like someone erroneously linked the English article on Phase Space with the French article on Phase Diagrams... Ed Sanville 18:56, 26 July 2005 (UTC)[reply]

The Images

The images require labels on their axes. The first image has none. The second image's resolution is too poor to decipher the axis labels.

quantization

The statement on quantisation needs a tidy - it's the product p.q which has the dimensions of action surely. (so from memory, dp.dq = h) Bob aka Linuxlad

Done. Howeever, I was sloppy with the links, some may be disambig pages. I have to run ... linas 16:24, 13 March 2006 (UTC)[reply]

Now, the statement on quantisation is better: no one will understand, who not already knows! It's a pity! ErNa 07:48, 14 March 2006 (UTC)[reply]

State Space

Isn't "Phase space" = "State space"? They both are the space of all possible states, aren't they? --Javalenok 19:48, 3 May 2006 (UTC)[reply]

No, "state space" is a synonym for Configuration space, which is a related but different concept. -- Four Dog Night 02:48, 25 August 2006 (UTC)[reply]

for a classical system with N particles, each point in the 3N + 3N dimensional phase space is a possible configuration of the system. in statistical mechanics, a "state" is then a probability distribution (in mathematical terms, a probability measure) on the phase space. so the state space is the family of probability distributions. for example, the microcanonical ensemble is a state; it corresponds to the distribution that is constant everywhere on some constant-enery surface of the phase space. Mct mht 04:47, 25 August 2006 (UTC)[reply]

... and zero everywhere else. Ed Sanville 10:29, 25 August 2006 (UTC)[reply]

Another related category: "Dimensional analysis" Vugluskr 11:30, 29 December 2006 (UTC)[reply]

@@ Line 4: / Line 4: @@
 Speaking of that, it looks like someone erroneously linked the English article on Phase Space with the French article on Phase Diagrams...  [[User:Edsanville|Ed Sanville]] 18:56, 26 July 2005 (UTC)
+==The Images==
+The images require labels on their axes.  The first image has none.  The second image's resolution is too poor to decipher the axis labels.
 ==quantization==