Onsager relations for transport in inhomogeneous media |
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Authors: | N G van Kampen |
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Institution: | (1) Institute for Theoretical Physics, P. O. Box 80006, 3508 TA Utrecht, The Netherlands |
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Abstract: | The nonlinear equations that describe transport in inhomogeneous media cannot be obtained by a straightforward extension of the known phenomenological equations for homogeneous media. One cannot therefore asserta priori that the Onsager reciprocity relations remain valid. Previously the correct equations have been obtained for three special models using kinetic theory. It is here shown that in these models the Onsager relations do indeed hold, provided that they are formulated with care. |
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Keywords: | Onsager relations inhomogeneous media nonlinear transport |
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