Pair creation: back-reactions and damping
Bloch, J. C. R. · Mizerny, V. A. · Prozorkevich, A. V. · Roberts, C. D. · Schmidt, S. M. · Smolyansky, S. A. · Vinnik, D. V.
الأصل · EN
We solve the quantum Vlasov equation for fermions and bosons, incorporating spontaneous pair creation in the presence of back-reactions and collisions. Pair creation is initiated by an external impulse field and the source term is non-Markovian. A simultaneous solution of Maxwell's equation in the presence of feedback yields an internal current and electric field that exhibit plasma oscillations with a period tauₚl. Allowing for collisions, these oscillations are damped on a time-scale, tauᵣ, determined by the collision frequency. Plasma oscillations cannot affect the early stages of the formation of a quark-gluon plasma unless tauᵣ >> tauₚl and tauₚl approx. 1/LambdaQCD approx 1 fm/c.
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