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原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
We study two different initial conditions for fermions for the problem of pair production of fermions coupled to a classical electromagnetic field with backreaction in (1 + 1)-dimensional boost-invariant coordinates. Both of these conditions are consistent with fermions initially in a vacuum state. We present results for the proper-time 演化 of the electric field E, the current J, the matter energy density epsilon, and the pressure p as a function of the proper time for these two cases. We also determine the interpolating number density as a function of the proper time. We find that when we use a "first-order adiabatic'' vacuum initial condition or a "free-field'' initial condition for the fermion field, we obtain essentially similar behavior for physically measurable quantities. The second
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