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Fick's law an Ohm's law: Reduction from Heisenberg Equation of Motion
Author(s) -
Lee M.H.,
Kim J.
Publication year - 2001
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/1521-3986(200103)41:2/3<151::aid-ctpp151>3.0.co;2-k
Subject(s) - ohm's law , ohm , physics , motion (physics) , law , heisenberg picture , equations of motion , classical mechanics , phenomenological model , mathematical physics , quantum mechanics , political science , quantum
Fick's law and Ohm's law are linear relationships of a macroscopic nature involving neutral and charged particles out of equilibrium. Their validity is examined by comparing the equation of motion which these laws represent with the Heisenberg equation of motion. Conditions that reduce the exact equation to the phenomenological equation are identified and their significance discussed.