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∆(D D n + Dn) =−σsf , (118)<br />
∆(Ht + H D t )=n × jel,sf/c. (119)<br />
This also affects the surface entropy production. Starting from<br />
0=∆(Qn + Q D n ) − (µ + c 2 )∆(ρvn − j D n )<br />
=∆(Qn + Q D n +(µ + c 2 ) j D n − (µ + c 2 ) ρvn)<br />
+〈ρvn − j D n 〉∆µ (120)<br />
we have for the conductor-conductor interface<br />
0=∆ <br />
(T s+ µc ρc + v · g) vn − Π D nj vj<br />
−T f D n − µc j D c,n + c <br />
E × H + E D × H <br />
· n <br />
and hence<br />
or<br />
+〈ρvn − j D n 〉∆µ, (121)<br />
R sf = −T ∆fn = fn ∆T + 〈ρvn − j D n 〉∆µ<br />
+〈ρc vn − j D c,n〉∆µc − ∆(vj Π D jn)+∆(v · g vn)<br />
+c ∆ <br />
E × H + E D × H <br />
· n (122)<br />
R sf = fn ∆T + 〈ρc vn − j D c,n〉∆µc<br />
+ <br />
〈vn gj〉−Π D <br />
jn ∆vt,j<br />
+〈ρvn − j D n 〉 ∆µ eff<br />
+c <br />
n × <br />
E D + E <br />
· ∆Ht , (123)<br />
where µ eff is the same as before, see Eq(117). This expression yields 7 connecting<br />
conditions. So we have a total of 16 boundary conditions for the conductorconductor<br />
interface. They suffice to determine all outgoing collective modes,<br />
7 for each side, the normal component of B + B D , and the lab velocity of<br />
the interface. (Note that the number of the collective modes is reduced in a<br />
conductor, because there are no sq-Modes [4]. Also, the electromagnetic waves<br />
are reduced to magnetic, diffusive modes.)<br />
For the conductor-dielectric interface, Eq(120) implies<br />
0=∆ <br />
(T s+ µc ρc + v · g) vn − Π D nj vj − Tf D n<br />
19