Abstract
A variational principle for electromagnetic waves allowing for non-linear and dispersive effects, is worked out for three simple examples. Expressions for energy and momentum are given
Original language | English |
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Pages (from-to) | 221-223 |
Number of pages | 3 |
Journal | Physics Letters A |
Volume | 92 |
Issue number | 5 |
DOIs | |
Publication status | Published - 1982 |