Recent content by nabla_foo

I actually understand the coefficients, and even - believe it or not - understand the conditions under which they can be simplified using Onsager's relations. I still don't understand what a component is, though. I must admit your answer left me as puzzled as before.

Dear all, this is my first post in PF, and I really don't know if the level of my question is below, above or just right for this place, so bear with me.I'm writing a paper on electromigration, and I am the kind of person that wants to understand well every aspect of the subject he is working...