1976
DOI: 10.1002/andp.19764880603
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Theoretical Treatment of Nonstationary Scattering by Phonons and Polaritons Part I. Derivation of the Basic Equations

Abstract: A b s t r a c t . The equations of motion of a two-level system and a harmonic oscillator coupled to a dissipative system are discussed; the dissipative system is assumed to consist of a large number of radiation oscillators. Special equations for the determination of the correlation functions of the fluctuation forces are derived under the condition of large time values, for which the atomic system has "forgotten" its initial state. The expectation values of the correlation functions are connected with the da… Show more

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Cited by 8 publications
(1 citation statement)
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“…These influences can be described in a comprehensive manner by the time-dependent instantaneous power spectrum & ( w ; t, to) introduced by PAGE [3]. As it has been shown by the authors in a previous paper [4], the method of variable Fourier transforms associated with the introduction of a time-space-dependent Fourier amplitude can be regarded as an efficacious tool for solving the nonlinear differential equations describing scattering processes. EBERLY and WODKIEWICZ [5] have discussed the so-called time-dependent pliysical spectrum BEw(w; t , to), for which the principle of causality has also taken into account.…”
Section: Introductionmentioning
confidence: 99%
“…These influences can be described in a comprehensive manner by the time-dependent instantaneous power spectrum & ( w ; t, to) introduced by PAGE [3]. As it has been shown by the authors in a previous paper [4], the method of variable Fourier transforms associated with the introduction of a time-space-dependent Fourier amplitude can be regarded as an efficacious tool for solving the nonlinear differential equations describing scattering processes. EBERLY and WODKIEWICZ [5] have discussed the so-called time-dependent pliysical spectrum BEw(w; t , to), for which the principle of causality has also taken into account.…”
Section: Introductionmentioning
confidence: 99%