On the stability of electromagnetic field in inverted mediaстатья
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Дата последнего поиска статьи во внешних источниках: 5 декабря 2014 г.
Аннотация:Abstract
The dispersion equation in the problem of electromagnetic field stability in an infinite inverted homogeneous medium is analyzed rigorously. The instability region for small quantum numbers k is established. It is found that, in contrast to the prevailing opinion, a continuous transition is also possible between polariton waves and electromagnetic waves upon a gradual variation of k; in this case, the two types of waves cannot be separated.