title: Nonlinear excitation of longitudinal photons and plasmons by high-power, short pulse lasers.
abstract: Modulational excitation of longitudinal photons and electron Langmuir waves, as well as ion sound waves by an incoherent strong and superstrong radiation (high-power short pulse lasers, nonthermal equilibrium cosmic field radiation, etc.), in plasmas, is investigated. A simultaneous generation of longitudinal photons and plasmons is demonstrated. Furthermore, the kinetic instability is considered when low-frequency longitudinal photons are generated alone. The growth rates of these modes are obtained.
authors.affiliation: Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan.
authors.forename: Levan N
authors.initials: LN
authors.lastname: Tsintsadze
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Hojo