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 |
|---|---|
| Pages (from-to) | 221-223 |
| Number of pages | 3 |
| Journal | Physics Letters A |
| Volume | 92 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1982 |