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Fig. 2


(Ek,ϵe,ϵB) as functions of n obtained in solving Eqs. (4)–(6). The solid, dotted, and dashed lines represent ϵB, ϵe, and Ek,53, respectively. The thin black line (i.e., Value = 0.4) is the reasonable upper limit of ϵB and ϵe, above which the solution is unphysical.

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