On the Radius of Spatial Analyticity for the 1d Dirac-klein-gordon Equations
نویسنده
چکیده
We study the well-posedness of the Dirac-Klein-Gordon system in one space dimension with initial data that are analytic in a strip around the real axis. It is proved that for short times t the radius of analyticity σ(t) of the solutions remains constant while for |t| → ∞ we obtain a lower bound σ(t) ≥ c/|t|5+ in the case of positive Klein-Gordon mass and σ(t) ≥ c/|t|8+ in the massless case.
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