Recent content by BlackBaron

I'm asking similar questions myself. :wink: This is the answer I've come some far: As dextercioby said, It turns out that the energy spectrum of such a quantum field is discrete, i.e. it's composed by a integer number of "clusters" (or, as they are commonly called, "quantums of energy")...

That's right, but your specific state doesn't treat x and y equally. So, as dextercioby already pointed, there's no contradiction if you find different expectation values.

"Gauge Fermions" in supersymmetry are generically called "gauginos". As long as I know, in supersimetric models they contribute with the forces just like regular gauge bosons, but because of the exclusion principle their net effect is not very strong, which also shows that if we only had "gauge...

Doesn't thermodynamics deal with macroscopic systems which are build of zillion components? Thermodynamics first law (conservation of energy) seems to be true for any physical system, but second law actually deals with quantities like entropy and temperature, which are innerently related to...

Take a look at this thread, where we already had some discussions about that subject. Hope it helps :wink: Cya

Can someone give me some references on Yang-Mills theories formulated with light-cone coordinates? (preferably on-line) Thank you very much in advance.

Since a long time ago, I've been looking for a simple explanation of what a spinor is, without much luck. So far, I had simple patched up together many definitions and different points of view until I finally had an acceptable idea on what a spinor was. Your explanation, Marlon, is, so far...

I'm not sure. I remember once some guys discussing with a teacher about the subject (I wasn't paying much attention, though :frown:), the exact point was if a cellular automata could be described through a Hamiltonian, I think the conclusion was it wasn't (this is a good chance to ask you...

You do have boundary conditions, you have to require that your solution goes to zero at infinity, otherwise your solution is not normalizable. For a free particle, that actually represents a big problem, since the free particle wavefunction (e^{ipx/\hbar) isn't nomalizable! That's the reason...

I suppose F just represent ANY function (or maybe, if you have more than one degree of freedom, a set of functions) of the postion, the velocities (and, maybe, the acceleration), then, F = 0, are just the equations of motion. I suppose the question could be slighty rephrased: If one has some...

I don't know how were those experiments done, but you can do the double slit experiment with light that isn't monochromatic, of course, it may not be as convenient (depending on what exactly you want), because different colors are affected in different ways, but you can still see the...

Just curiosity thinker, where are you from and what's your mother tongue?

I think I know what you mean, bur truth is, I'm not sure how exactly to give you a good answer. As some mentioned before, nodes are the points where the wavefuncion equals 0 (like the nodes of a vibrating string). The fact that the more nodes there are, the higher is the energy actually...

You got that right, but that's exactly my point, if you aren't using CM to "rigurously" derive QM, then CM it's not a "COMPULSORY PREREQUISITE". It sure helps a lot, but it's certainly not essential.

I didn't mention the correspondence principle either. When I say "you shouldn't push the correspondence too far" I meant that you shouldn't try to build a quantum theory out of a classical one. Things should work the other way around (i.e. quantum theory -> classical theory). I'm aware, of...